List of Locales (PHP)

Locales supported by the PHP Intl library

Last updated: September 14, 2023

Locale code	Language Name
af	Afrikaans
af_NA	Afrikaans (Namibia)
af_ZA	Afrikaans (South Africa)
agq	Aghem
agq_CM	Aghem (Cameroon)
ak	Akan
ak_GH	Akan (Ghana)
am	Amharic
am_ET	Amharic (Ethiopia)
ar	Arabic
ar_001	Arabic (world)
ar_AE	Arabic (United Arab Emirates)
ar_BH	Arabic (Bahrain)
ar_DJ	Arabic (Djibouti)
ar_DZ	Arabic (Algeria)
ar_EG	Arabic (Egypt)
ar_EH	Arabic (Western Sahara)
ar_ER	Arabic (Eritrea)
ar_IL	Arabic (Israel)
ar_IQ	Arabic (Iraq)
ar_JO	Arabic (Jordan)
ar_KM	Arabic (Comoros)
ar_KW	Arabic (Kuwait)
ar_LB	Arabic (Lebanon)
ar_LY	Arabic (Libya)
ar_MA	Arabic (Morocco)
ar_MR	Arabic (Mauritania)
ar_OM	Arabic (Oman)
ar_PS	Arabic (Palestinian Territories)
ar_QA	Arabic (Qatar)
ar_SA	Arabic (Saudi Arabia)
ar_SD	Arabic (Sudan)
ar_SO	Arabic (Somalia)
ar_SS	Arabic (South Sudan)
ar_SY	Arabic (Syria)
ar_TD	Arabic (Chad)
ar_TN	Arabic (Tunisia)
ar_YE	Arabic (Yemen)
as	Assamese
as_IN	Assamese (India)
asa	Asu
asa_TZ	Asu (Tanzania)
ast	Asturian
ast_ES	Asturian (Spain)
az	Azerbaijani
az_Cyrl	Azerbaijani (Cyrillic)
az_Cyrl_AZ	Azerbaijani (Cyrillic, Azerbaijan)
az_Latn	Azerbaijani (Latin)
az_Latn_AZ	Azerbaijani (Latin, Azerbaijan)
bas	Basaa
bas_CM	Basaa (Cameroon)
be	Belarusian
be_BY	Belarusian (Belarus)
bem	Bemba
bem_ZM	Bemba (Zambia)
bez	Bena
bez_TZ	Bena (Tanzania)
bg	Bulgarian
bg_BG	Bulgarian (Bulgaria)
bgc	Haryanvi
bgc_IN	Haryanvi (India)
bho	Bhojpuri
bho_IN	Bhojpuri (India)
bm	Bambara
bm_ML	Bambara (Mali)
bn	Bangla
bn_BD	Bangla (Bangladesh)
bn_IN	Bangla (India)
bo	Tibetan
bo_CN	Tibetan (China)
bo_IN	Tibetan (India)
br	Breton
br_FR	Breton (France)
brx	Bodo
brx_IN	Bodo (India)
bs	Bosnian
bs_Cyrl	Bosnian (Cyrillic)
bs_Cyrl_BA	Bosnian (Cyrillic, Bosnia & Herzegovina)
bs_Latn	Bosnian (Latin)
bs_Latn_BA	Bosnian (Latin, Bosnia & Herzegovina)
ca	Catalan
ca_AD	Catalan (Andorra)
ca_ES	Catalan (Spain)
ca_FR	Catalan (France)
ca_IT	Catalan (Italy)
ccp	Chakma
ccp_BD	Chakma (Bangladesh)
ccp_IN	Chakma (India)
ce	Chechen
ce_RU	Chechen (Russia)
ceb	Cebuano
ceb_PH	Cebuano (Philippines)
cgg	Chiga
cgg_UG	Chiga (Uganda)
chr	Cherokee
chr_US	Cherokee (United States)
ckb	Central Kurdish
ckb_IQ	Central Kurdish (Iraq)
ckb_IR	Central Kurdish (Iran)
cs	Czech
cs_CZ	Czech (Czechia)
cv	Chuvash
cv_RU	Chuvash (Russia)
cy	Welsh
cy_GB	Welsh (United Kingdom)
da	Danish
da_DK	Danish (Denmark)
da_GL	Danish (Greenland)
dav	Taita
dav_KE	Taita (Kenya)
de	German
de_AT	German (Austria)
de_BE	German (Belgium)
de_CH	German (Switzerland)
de_DE	German (Germany)
de_IT	German (Italy)
de_LI	German (Liechtenstein)
de_LU	German (Luxembourg)
dje	Zarma
dje_NE	Zarma (Niger)
doi	Dogri
doi_IN	Dogri (India)
dsb	Lower Sorbian
dsb_DE	Lower Sorbian (Germany)
dua	Duala
dua_CM	Duala (Cameroon)
dyo	Jola-Fonyi
dyo_SN	Jola-Fonyi (Senegal)
dz	Dzongkha
dz_BT	Dzongkha (Bhutan)
ebu	Embu
ebu_KE	Embu (Kenya)
ee	Ewe
ee_GH	Ewe (Ghana)
ee_TG	Ewe (Togo)
el	Greek
el_CY	Greek (Cyprus)
el_GR	Greek (Greece)
en	English
en_001	English (world)
en_150	English (Europe)
en_AE	English (United Arab Emirates)
en_AG	English (Antigua & Barbuda)
en_AI	English (Anguilla)
en_AS	English (American Samoa)
en_AT	English (Austria)
en_AU	English (Australia)
en_BB	English (Barbados)
en_BE	English (Belgium)
en_BI	English (Burundi)
en_BM	English (Bermuda)
en_BS	English (Bahamas)
en_BW	English (Botswana)
en_BZ	English (Belize)
en_CA	English (Canada)
en_CC	English (Cocos [Keeling] Islands)
en_CH	English (Switzerland)
en_CK	English (Cook Islands)
en_CM	English (Cameroon)
en_CX	English (Christmas Island)
en_CY	English (Cyprus)
en_DE	English (Germany)
en_DG	English (Diego Garcia)
en_DK	English (Denmark)
en_DM	English (Dominica)
en_ER	English (Eritrea)
en_FI	English (Finland)
en_FJ	English (Fiji)
en_FK	English (Falkland Islands)
en_FM	English (Micronesia)
en_GB	English (United Kingdom)
en_GD	English (Grenada)
en_GG	English (Guernsey)
en_GH	English (Ghana)
en_GI	English (Gibraltar)
en_GM	English (Gambia)
en_GU	English (Guam)
en_GY	English (Guyana)
en_HK	English (Hong Kong SAR China)
en_IE	English (Ireland)
en_IL	English (Israel)
en_IM	English (Isle of Man)
en_IN	English (India)
en_IO	English (British Indian Ocean Territory)
en_JE	English (Jersey)
en_JM	English (Jamaica)
en_KE	English (Kenya)
en_KI	English (Kiribati)
en_KN	English (St. Kitts & Nevis)
en_KY	English (Cayman Islands)
en_LC	English (St. Lucia)
en_LR	English (Liberia)
en_LS	English (Lesotho)
en_MG	English (Madagascar)
en_MH	English (Marshall Islands)
en_MO	English (Macao SAR China)
en_MP	English (Northern Mariana Islands)
en_MS	English (Montserrat)
en_MT	English (Malta)
en_MU	English (Mauritius)
en_MV	English (Maldives)
en_MW	English (Malawi)
en_MY	English (Malaysia)
en_NA	English (Namibia)
en_NF	English (Norfolk Island)
en_NG	English (Nigeria)
en_NL	English (Netherlands)
en_NR	English (Nauru)
en_NU	English (Niue)
en_NZ	English (New Zealand)
en_PG	English (Papua New Guinea)
en_PH	English (Philippines)
en_PK	English (Pakistan)
en_PN	English (Pitcairn Islands)
en_PR	English (Puerto Rico)
en_PW	English (Palau)
en_RW	English (Rwanda)
en_SB	English (Solomon Islands)
en_SC	English (Seychelles)
en_SD	English (Sudan)
en_SE	English (Sweden)
en_SG	English (Singapore)
en_SH	English (St. Helena)
en_SI	English (Slovenia)
en_SL	English (Sierra Leone)
en_SS	English (South Sudan)
en_SX	English (Sint Maarten)
en_SZ	English (Eswatini)
en_TC	English (Turks & Caicos Islands)
en_TK	English (Tokelau)
en_TO	English (Tonga)
en_TT	English (Trinidad & Tobago)
en_TV	English (Tuvalu)
en_TZ	English (Tanzania)
en_UG	English (Uganda)
en_UM	English (U.S. Outlying Islands)
en_US	English (United States)
en_US_POSIX	English (United States, Computer)
en_VC	English (St. Vincent & Grenadines)
en_VG	English (British Virgin Islands)
en_VI	English (U.S. Virgin Islands)
en_VU	English (Vanuatu)
en_WS	English (Samoa)
en_ZA	English (South Africa)
en_ZM	English (Zambia)
en_ZW	English (Zimbabwe)
eo	Esperanto
eo_001	Esperanto (world)
es	Spanish
es_419	Spanish (Latin America)
es_AR	Spanish (Argentina)
es_BO	Spanish (Bolivia)
es_BR	Spanish (Brazil)
es_BZ	Spanish (Belize)
es_CL	Spanish (Chile)
es_CO	Spanish (Colombia)
es_CR	Spanish (Costa Rica)
es_CU	Spanish (Cuba)
es_DO	Spanish (Dominican Republic)
es_EA	Spanish (Ceuta & Melilla)
es_EC	Spanish (Ecuador)
es_ES	Spanish (Spain)
es_GQ	Spanish (Equatorial Guinea)
es_GT	Spanish (Guatemala)
es_HN	Spanish (Honduras)
es_IC	Spanish (Canary Islands)
es_MX	Spanish (Mexico)
es_NI	Spanish (Nicaragua)
es_PA	Spanish (Panama)
es_PE	Spanish (Peru)
es_PH	Spanish (Philippines)
es_PR	Spanish (Puerto Rico)
es_PY	Spanish (Paraguay)
es_SV	Spanish (El Salvador)
es_US	Spanish (United States)
es_UY	Spanish (Uruguay)
es_VE	Spanish (Venezuela)
et	Estonian
et_EE	Estonian (Estonia)
eu	Basque
eu_ES	Basque (Spain)
ewo	Ewondo
ewo_CM	Ewondo (Cameroon)
fa	Persian
fa_AF	Persian (Afghanistan)
fa_IR	Persian (Iran)
ff	Fula
ff_Adlm	Fula (Adlam)
ff_Adlm_BF	Fula (Adlam, Burkina Faso)
ff_Adlm_CM	Fula (Adlam, Cameroon)
ff_Adlm_GH	Fula (Adlam, Ghana)
ff_Adlm_GM	Fula (Adlam, Gambia)
ff_Adlm_GN	Fula (Adlam, Guinea)
ff_Adlm_GW	Fula (Adlam, Guinea-Bissau)
ff_Adlm_LR	Fula (Adlam, Liberia)
ff_Adlm_MR	Fula (Adlam, Mauritania)
ff_Adlm_NE	Fula (Adlam, Niger)
ff_Adlm_NG	Fula (Adlam, Nigeria)
ff_Adlm_SL	Fula (Adlam, Sierra Leone)
ff_Adlm_SN	Fula (Adlam, Senegal)
ff_Latn	Fula (Latin)
ff_Latn_BF	Fula (Latin, Burkina Faso)
ff_Latn_CM	Fula (Latin, Cameroon)
ff_Latn_GH	Fula (Latin, Ghana)
ff_Latn_GM	Fula (Latin, Gambia)
ff_Latn_GN	Fula (Latin, Guinea)
ff_Latn_GW	Fula (Latin, Guinea-Bissau)
ff_Latn_LR	Fula (Latin, Liberia)
ff_Latn_MR	Fula (Latin, Mauritania)
ff_Latn_NE	Fula (Latin, Niger)
ff_Latn_NG	Fula (Latin, Nigeria)
ff_Latn_SL	Fula (Latin, Sierra Leone)
ff_Latn_SN	Fula (Latin, Senegal)
fi	Finnish
fi_FI	Finnish (Finland)
fil	Filipino
fil_PH	Filipino (Philippines)
fo	Faroese
fo_DK	Faroese (Denmark)
fo_FO	Faroese (Faroe Islands)
fr	French
fr_BE	French (Belgium)
fr_BF	French (Burkina Faso)
fr_BI	French (Burundi)
fr_BJ	French (Benin)
fr_BL	French (St. Barthélemy)
fr_CA	French (Canada)
fr_CD	French (Congo - Kinshasa)
fr_CF	French (Central African Republic)
fr_CG	French (Congo - Brazzaville)
fr_CH	French (Switzerland)
fr_CI	French (Côte d’Ivoire)
fr_CM	French (Cameroon)
fr_DJ	French (Djibouti)
fr_DZ	French (Algeria)
fr_FR	French (France)
fr_GA	French (Gabon)
fr_GF	French (French Guiana)
fr_GN	French (Guinea)
fr_GP	French (Guadeloupe)
fr_GQ	French (Equatorial Guinea)
fr_HT	French (Haiti)
fr_KM	French (Comoros)
fr_LU	French (Luxembourg)
fr_MA	French (Morocco)
fr_MC	French (Monaco)
fr_MF	French (St. Martin)
fr_MG	French (Madagascar)
fr_ML	French (Mali)
fr_MQ	French (Martinique)
fr_MR	French (Mauritania)
fr_MU	French (Mauritius)
fr_NC	French (New Caledonia)
fr_NE	French (Niger)
fr_PF	French (French Polynesia)
fr_PM	French (St. Pierre & Miquelon)
fr_RE	French (Réunion)
fr_RW	French (Rwanda)
fr_SC	French (Seychelles)
fr_SN	French (Senegal)
fr_SY	French (Syria)
fr_TD	French (Chad)
fr_TG	French (Togo)
fr_TN	French (Tunisia)
fr_VU	French (Vanuatu)
fr_WF	French (Wallis & Futuna)
fr_YT	French (Mayotte)
fur	Friulian
fur_IT	Friulian (Italy)
fy	Western Frisian
fy_NL	Western Frisian (Netherlands)
ga	Irish
ga_GB	Irish (United Kingdom)
ga_IE	Irish (Ireland)
gd	Scottish Gaelic
gd_GB	Scottish Gaelic (United Kingdom)
gl	Galician
gl_ES	Galician (Spain)
gsw	Swiss German
gsw_CH	Swiss German (Switzerland)
gsw_FR	Swiss German (France)
gsw_LI	Swiss German (Liechtenstein)
gu	Gujarati
gu_IN	Gujarati (India)
guz	Gusii
guz_KE	Gusii (Kenya)
gv	Manx
gv_IM	Manx (Isle of Man)
ha	Hausa
ha_GH	Hausa (Ghana)
ha_NE	Hausa (Niger)
ha_NG	Hausa (Nigeria)
haw	Hawaiian
haw_US	Hawaiian (United States)
he	Hebrew
he_IL	Hebrew (Israel)
hi	Hindi
hi_IN	Hindi (India)
hi_Latn	Hindi (Latin)
hi_Latn_IN	Hindi (Latin, India)
hr	Croatian
hr_BA	Croatian (Bosnia & Herzegovina)
hr_HR	Croatian (Croatia)
hsb	Upper Sorbian
hsb_DE	Upper Sorbian (Germany)
hu	Hungarian
hu_HU	Hungarian (Hungary)
hy	Armenian
hy_AM	Armenian (Armenia)
ia	Interlingua
ia_001	Interlingua (world)
id	Indonesian
id_ID	Indonesian (Indonesia)
ig	Igbo
ig_NG	Igbo (Nigeria)
ii	Sichuan Yi
ii_CN	Sichuan Yi (China)
is	Icelandic
is_IS	Icelandic (Iceland)
it	Italian
it_CH	Italian (Switzerland)
it_IT	Italian (Italy)
it_SM	Italian (San Marino)
it_VA	Italian (Vatican City)
ja	Japanese
ja_JP	Japanese (Japan)
jgo	Ngomba
jgo_CM	Ngomba (Cameroon)
jmc	Machame
jmc_TZ	Machame (Tanzania)
jv	Javanese
jv_ID	Javanese (Indonesia)
ka	Georgian
ka_GE	Georgian (Georgia)
kab	Kabyle
kab_DZ	Kabyle (Algeria)
kam	Kamba
kam_KE	Kamba (Kenya)
kde	Makonde
kde_TZ	Makonde (Tanzania)
kea	Kabuverdianu
kea_CV	Kabuverdianu (Cape Verde)
kgp	Kaingang
kgp_BR	Kaingang (Brazil)
khq	Koyra Chiini
khq_ML	Koyra Chiini (Mali)
ki	Kikuyu
ki_KE	Kikuyu (Kenya)
kk	Kazakh
kk_KZ	Kazakh (Kazakhstan)
kkj	Kako
kkj_CM	Kako (Cameroon)
kl	Kalaallisut
kl_GL	Kalaallisut (Greenland)
kln	Kalenjin
kln_KE	Kalenjin (Kenya)
km	Khmer
km_KH	Khmer (Cambodia)
kn	Kannada
kn_IN	Kannada (India)
ko	Korean
ko_KP	Korean (North Korea)
ko_KR	Korean (South Korea)
kok	Konkani
kok_IN	Konkani (India)
ks	Kashmiri
ks_Arab	Kashmiri (Arabic)
ks_Arab_IN	Kashmiri (Arabic, India)
ks_Deva	Kashmiri (Devanagari)
ks_Deva_IN	Kashmiri (Devanagari, India)
ksb	Shambala
ksb_TZ	Shambala (Tanzania)
ksf	Bafia
ksf_CM	Bafia (Cameroon)
ksh	Colognian
ksh_DE	Colognian (Germany)
ku	Kurdish
ku_TR	Kurdish (Türkiye)
kw	Cornish
kw_GB	Cornish (United Kingdom)
ky	Kyrgyz
ky_KG	Kyrgyz (Kyrgyzstan)
lag	Langi
lag_TZ	Langi (Tanzania)
lb	Luxembourgish
lb_LU	Luxembourgish (Luxembourg)
lg	Ganda
lg_UG	Ganda (Uganda)
lkt	Lakota
lkt_US	Lakota (United States)
ln	Lingala
ln_AO	Lingala (Angola)
ln_CD	Lingala (Congo - Kinshasa)
ln_CF	Lingala (Central African Republic)
ln_CG	Lingala (Congo - Brazzaville)
lo	Lao
lo_LA	Lao (Laos)
lrc	Northern Luri
lrc_IQ	Northern Luri (Iraq)
lrc_IR	Northern Luri (Iran)
lt	Lithuanian
lt_LT	Lithuanian (Lithuania)
lu	Luba-Katanga
lu_CD	Luba-Katanga (Congo - Kinshasa)
luo	Luo
luo_KE	Luo (Kenya)
luy	Luyia
luy_KE	Luyia (Kenya)
lv	Latvian
lv_LV	Latvian (Latvia)
mai	Maithili
mai_IN	Maithili (India)
mas	Masai
mas_KE	Masai (Kenya)
mas_TZ	Masai (Tanzania)
mer	Meru
mer_KE	Meru (Kenya)
mfe	Morisyen
mfe_MU	Morisyen (Mauritius)
mg	Malagasy
mg_MG	Malagasy (Madagascar)
mgh	Makhuwa-Meetto
mgh_MZ	Makhuwa-Meetto (Mozambique)
mgo	Metaʼ
mgo_CM	Metaʼ (Cameroon)
mi	Māori
mi_NZ	Māori (New Zealand)
mk	Macedonian
mk_MK	Macedonian (North Macedonia)
ml	Malayalam
ml_IN	Malayalam (India)
mn	Mongolian
mn_MN	Mongolian (Mongolia)
mni	Manipuri
mni_Beng	Manipuri (Bangla)
mni_Beng_IN	Manipuri (Bangla, India)
mr	Marathi
mr_IN	Marathi (India)
ms	Malay
ms_BN	Malay (Brunei)
ms_ID	Malay (Indonesia)
ms_MY	Malay (Malaysia)
ms_SG	Malay (Singapore)
mt	Maltese
mt_MT	Maltese (Malta)
mua	Mundang
mua_CM	Mundang (Cameroon)
my	Burmese
my_MM	Burmese (Myanmar [Burma])
mzn	Mazanderani
mzn_IR	Mazanderani (Iran)
naq	Nama
naq_NA	Nama (Namibia)
nb	Norwegian Bokmål
nb_NO	Norwegian Bokmål (Norway)
nb_SJ	Norwegian Bokmål (Svalbard & Jan Mayen)
nd	North Ndebele
nd_ZW	North Ndebele (Zimbabwe)
ne	Nepali
ne_IN	Nepali (India)
ne_NP	Nepali (Nepal)
nl	Dutch
nl_AW	Dutch (Aruba)
nl_BE	Dutch (Belgium)
nl_BQ	Dutch (Caribbean Netherlands)
nl_CW	Dutch (Curaçao)
nl_NL	Dutch (Netherlands)
nl_SR	Dutch (Suriname)
nl_SX	Dutch (Sint Maarten)
nmg	Kwasio
nmg_CM	Kwasio (Cameroon)
nn	Norwegian Nynorsk
nn_NO	Norwegian Nynorsk (Norway)
nnh	Ngiemboon
nnh_CM	Ngiemboon (Cameroon)
no	Norwegian
nus	Nuer
nus_SS	Nuer (South Sudan)
nyn	Nyankole
nyn_UG	Nyankole (Uganda)
om	Oromo
om_ET	Oromo (Ethiopia)
om_KE	Oromo (Kenya)
or	Odia
or_IN	Odia (India)
os	Ossetic
os_GE	Ossetic (Georgia)
os_RU	Ossetic (Russia)
pa	Punjabi
pa_Arab	Punjabi (Arabic)
pa_Arab_PK	Punjabi (Arabic, Pakistan)
pa_Guru	Punjabi (Gurmukhi)
pa_Guru_IN	Punjabi (Gurmukhi, India)
pcm	Nigerian Pidgin
pcm_NG	Nigerian Pidgin (Nigeria)
pl	Polish
pl_PL	Polish (Poland)
ps	Pashto
ps_AF	Pashto (Afghanistan)
ps_PK	Pashto (Pakistan)
pt	Portuguese
pt_AO	Portuguese (Angola)
pt_BR	Portuguese (Brazil)
pt_CH	Portuguese (Switzerland)
pt_CV	Portuguese (Cape Verde)
pt_GQ	Portuguese (Equatorial Guinea)
pt_GW	Portuguese (Guinea-Bissau)
pt_LU	Portuguese (Luxembourg)
pt_MO	Portuguese (Macao SAR China)
pt_MZ	Portuguese (Mozambique)
pt_PT	Portuguese (Portugal)
pt_ST	Portuguese (São Tomé & Príncipe)
pt_TL	Portuguese (Timor-Leste)
qu	Quechua
qu_BO	Quechua (Bolivia)
qu_EC	Quechua (Ecuador)
qu_PE	Quechua (Peru)
raj	Rajasthani
raj_IN	Rajasthani (India)
rm	Romansh
rm_CH	Romansh (Switzerland)
rn	Rundi
rn_BI	Rundi (Burundi)
ro	Romanian
ro_MD	Romanian (Moldova)
ro_RO	Romanian (Romania)
rof	Rombo
rof_TZ	Rombo (Tanzania)
ru	Russian
ru_BY	Russian (Belarus)
ru_KG	Russian (Kyrgyzstan)
ru_KZ	Russian (Kazakhstan)
ru_MD	Russian (Moldova)
ru_RU	Russian (Russia)
ru_UA	Russian (Ukraine)
rw	Kinyarwanda
rw_RW	Kinyarwanda (Rwanda)
rwk	Rwa
rwk_TZ	Rwa (Tanzania)
sa	Sanskrit
sa_IN	Sanskrit (India)
sah	Yakut
sah_RU	Yakut (Russia)
saq	Samburu
saq_KE	Samburu (Kenya)
sat	Santali
sat_Olck	Santali (Ol Chiki)
sat_Olck_IN	Santali (Ol Chiki, India)
sbp	Sangu
sbp_TZ	Sangu (Tanzania)
sc	Sardinian
sc_IT	Sardinian (Italy)
sd	Sindhi
sd_Arab	Sindhi (Arabic)
sd_Arab_PK	Sindhi (Arabic, Pakistan)
sd_Deva	Sindhi (Devanagari)
sd_Deva_IN	Sindhi (Devanagari, India)
se	Northern Sami
se_FI	Northern Sami (Finland)
se_NO	Northern Sami (Norway)
se_SE	Northern Sami (Sweden)
seh	Sena
seh_MZ	Sena (Mozambique)
ses	Koyraboro Senni
ses_ML	Koyraboro Senni (Mali)
sg	Sango
sg_CF	Sango (Central African Republic)
shi	Tachelhit
shi_Latn	Tachelhit (Latin)
shi_Latn_MA	Tachelhit (Latin, Morocco)
shi_Tfng	Tachelhit (Tifinagh)
shi_Tfng_MA	Tachelhit (Tifinagh, Morocco)
si	Sinhala
si_LK	Sinhala (Sri Lanka)
sk	Slovak
sk_SK	Slovak (Slovakia)
sl	Slovenian
sl_SI	Slovenian (Slovenia)
smn	Inari Sami
smn_FI	Inari Sami (Finland)
sn	Shona
sn_ZW	Shona (Zimbabwe)
so	Somali
so_DJ	Somali (Djibouti)
so_ET	Somali (Ethiopia)
so_KE	Somali (Kenya)
so_SO	Somali (Somalia)
sq	Albanian
sq_AL	Albanian (Albania)
sq_MK	Albanian (North Macedonia)
sq_XK	Albanian (Kosovo)
sr	Serbian
sr_Cyrl	Serbian (Cyrillic)
sr_Cyrl_BA	Serbian (Cyrillic, Bosnia & Herzegovina)
sr_Cyrl_ME	Serbian (Cyrillic, Montenegro)
sr_Cyrl_RS	Serbian (Cyrillic, Serbia)
sr_Cyrl_XK	Serbian (Cyrillic, Kosovo)
sr_Latn	Serbian (Latin)
sr_Latn_BA	Serbian (Latin, Bosnia & Herzegovina)
sr_Latn_ME	Serbian (Latin, Montenegro)
sr_Latn_RS	Serbian (Latin, Serbia)
sr_Latn_XK	Serbian (Latin, Kosovo)
su	Sundanese
su_Latn	Sundanese (Latin)
su_Latn_ID	Sundanese (Latin, Indonesia)
sv	Swedish
sv_AX	Swedish (Åland Islands)
sv_FI	Swedish (Finland)
sv_SE	Swedish (Sweden)
sw	Swahili
sw_CD	Swahili (Congo - Kinshasa)
sw_KE	Swahili (Kenya)
sw_TZ	Swahili (Tanzania)
sw_UG	Swahili (Uganda)
ta	Tamil
ta_IN	Tamil (India)
ta_LK	Tamil (Sri Lanka)
ta_MY	Tamil (Malaysia)
ta_SG	Tamil (Singapore)
te	Telugu
te_IN	Telugu (India)
teo	Teso
teo_KE	Teso (Kenya)
teo_UG	Teso (Uganda)
tg	Tajik
tg_TJ	Tajik (Tajikistan)
th	Thai
th_TH	Thai (Thailand)
ti	Tigrinya
ti_ER	Tigrinya (Eritrea)
ti_ET	Tigrinya (Ethiopia)
tk	Turkmen
tk_TM	Turkmen (Turkmenistan)
to	Tongan
to_TO	Tongan (Tonga)
tr	Turkish
tr_CY	Turkish (Cyprus)
tr_TR	Turkish (Türkiye)
tt	Tatar
tt_RU	Tatar (Russia)
twq	Tasawaq
twq_NE	Tasawaq (Niger)
tzm	Central Atlas Tamazight
tzm_MA	Central Atlas Tamazight (Morocco)
ug	Uyghur
ug_CN	Uyghur (China)
uk	Ukrainian
uk_UA	Ukrainian (Ukraine)
ur	Urdu
ur_IN	Urdu (India)
ur_PK	Urdu (Pakistan)
uz	Uzbek
uz_Arab	Uzbek (Arabic)
uz_Arab_AF	Uzbek (Arabic, Afghanistan)
uz_Cyrl	Uzbek (Cyrillic)
uz_Cyrl_UZ	Uzbek (Cyrillic, Uzbekistan)
uz_Latn	Uzbek (Latin)
uz_Latn_UZ	Uzbek (Latin, Uzbekistan)
vai	Vai
vai_Latn	Vai (Latin)
vai_Latn_LR	Vai (Latin, Liberia)
vai_Vaii	Vai (Vai)
vai_Vaii_LR	Vai (Vai, Liberia)
vi	Vietnamese
vi_VN	Vietnamese (Vietnam)
vun	Vunjo
vun_TZ	Vunjo (Tanzania)
wae	Walser
wae_CH	Walser (Switzerland)
wo	Wolof
wo_SN	Wolof (Senegal)
xh	Xhosa
xh_ZA	Xhosa (South Africa)
xog	Soga
xog_UG	Soga (Uganda)
yav	Yangben
yav_CM	Yangben (Cameroon)
yi	Yiddish
yi_001	Yiddish (world)
yo	Yoruba
yo_BJ	Yoruba (Benin)
yo_NG	Yoruba (Nigeria)
yrl	Nheengatu
yrl_BR	Nheengatu (Brazil)
yrl_CO	Nheengatu (Colombia)
yrl_VE	Nheengatu (Venezuela)
yue	Cantonese
yue_Hans	Cantonese (Simplified)
yue_Hans_CN	Cantonese (Simplified, China)
yue_Hant	Cantonese (Traditional)
yue_Hant_HK	Cantonese (Traditional, Hong Kong SAR China)
zgh	Standard Moroccan Tamazight
zgh_MA	Standard Moroccan Tamazight (Morocco)
zh	Chinese
zh_Hans	Chinese (Simplified)
zh_Hans_CN	Chinese (Simplified, China)
zh_Hans_HK	Chinese (Simplified, Hong Kong SAR China)
zh_Hans_MO	Chinese (Simplified, Macao SAR China)
zh_Hans_SG	Chinese (Simplified, Singapore)
zh_Hant	Chinese (Traditional)
zh_Hant_HK	Chinese (Traditional, Hong Kong SAR China)
zh_Hant_MO	Chinese (Traditional, Macao SAR China)
zh_Hant_TW	Chinese (Traditional, Taiwan)
zu	Zulu
zu_ZA	Zulu (South Africa)

Generator script

<?php
// Generate a markdown table of all available locales
// Jonah Lawrence, 2023
// License: MIT
$locales = ResourceBundle::getLocales('');
echo "| Locale code | Language Name |\n";
echo "| ----------- | ------------- |\n";
foreach ($locales as $locale) {
    $name = Locale::getDisplayName($locale, "en_US");
    echo "| `{$locale}` | {$name} |\n";
}