| Language | Name | Code |
|---|---|---|
| ace | Kathmandu | ace |
| Afrikaans | Katmandoe | af |
| Amharic | ካትማንዱ | am |
| Aragonese | Katmandú | an |
| ang | Cæþmandū | ang |
| Arabic | كاتماندو | ar |
| ary | كاطماندو | ary |
| arz | كاتماندو | arz |
| Assamese | কাঠমাণ্ডু | as |
| Asturian | Katmandú | ast |
| awa | काठमाडौं | awa |
| Azerbaijani | Katmandu | az |
| Bashkir | Катманду | ba |
| ban | Kathmandu | ban |
| bcl | Kathmandu | bcl |
| Belarusian | Катманду | be |
| be-tarask | Катманду | be-tarask |
| Bulgarian | Катманду | bg |
| bho | काठमाडौं महानगरपालिका | bho |
| Bengali | কাঠমান্ডু | bn |
| Tibetan | ཀ་ཏ་མན་ཏུ། | bo |
| Breton | Kathmandu | br |
| Bosnian | Katmandu | bs |
| bxr | Катманду | bxr |
| Catalan | Katmandú | ca |
| cbk-zam | Katmandú | cbk-zam |
| cdo | Kathmandu | cdo |
| Chechen | Катманду | ce |
| Cebuano | Kathmandu (ulohang dakbayan sa Nepal) | ceb |
| Central Kurdish | کاتماندوو | ckb |
| crh | Katmandu | crh |
| Czech | Káthmándú | cs |
| Welsh | Kathmandu | cy |
| Danish | Katmandu | da |
| German | Kathmandu | de |
| diq | Kathmandu | diq |
| dsb | Katmandu | dsb |
| dty | काठमाडौं | dty |
| Modern Greek (1453-) | Κατμαντού | el |
| English | Kathmandu | en |
| en-ca | Kathmandu | en-ca |
| en-gb | Kathmandu | en-gb |
| Esperanto | Katmanduo | eo |
| Spanish | Katmandú | es |
| Estonian | Katmandu | et |
| Basque | Katmandu | eu |
| Persian | کاتماندو | fa |
| Finnish | Kathmandu | fi |
| Fijian | Kathmandu | fj |
| French | Katmandou | fr |
| frr | Kathmandu | frr |
| Western Frisian | Katmandû | fy |
| Irish | Katmandu | ga |
| Scottish Gaelic | Kathmandu | gd |
| Galician | Katmandú | gl |
| Guaraní | Katemandu | gn |
| Gujarati | કાઠમંડુ | gu |
| Hausa | Kathmandu | ha |
| hak | Kathmandu | hak |
| Hebrew | קטמנדו | he |
| Hindi | काठमांडू | hi |
| hif | Kathmandu | hif |
| Croatian | Katmandu | hr |
| Upper Sorbian | Katmandu | hsb |
| Haitian | Katmandou | ht |
| Hungarian | Katmandu | hu |
| Armenian | Կատմանդու | hy |
| hyw | Քաթմանտու | hyw |
| Interlingua (International Auxiliary Language Association) | Kathmandu | ia |
| Indonesian | Kathmandu | id |
| Interlingue | Kathmandu | ie |
| ilo | Katmandu | ilo |
| Ido | Katmandu | io |
| Icelandic | Katmandú | is |
| Italian | Katmandu | it |
| Japanese | カトマンズ | ja |
| Javanese | Kathmandu | jv |
| Georgian | კატმანდუ | ka |
| kaa | Katmandu | kaa |
| kge | Kathmandu | kge |
| Kazakh | Катманду | kk |
| kk-cyrl | Катманду | kk-cyrl |
| Kalaallisut | Kathmandu | kl |
| Kannada | ಕಠ್ಮಂಡು | kn |
| Korean | 카트만두 | ko |
| ko-kp | 까뜨만두 | ko-kp |
| Kurdish | Kathmandu | ku |
| Kirghiz | Катманду | ky |
| Latin | Catmandum | la |
| Luxembourgish | Katmandu | lb |
| Limburgan | Kathmandu | li |
| lij | Katmandu | lij |
| lmo | Kathmandu | lmo |
| Lao | ກາດມານດຸ | lo |
| lrc | کاتماندو | lrc |
| Lithuanian | Katmandu | lt |
| Latvian | Katmandu | lv |
| mai | काठमाडौँ | mai |
| Malagasy | Kathmandu | mg |
| min | Kathmandu | min |
| Macedonian | Катманду | mk |
| Malayalam | കാഠ്മണ്ഡു | ml |
| Mongolian | Катманду | mn |
| Marathi | काठमांडू | mr |
| Malay (macrolanguage) | Kathmandu | ms |
| Maltese | Kathmandu | mt |
| mwl | Kathmandu | mwl |
| Burmese | ခတ္တမန္ဒုမြို့ | my |
| mzn | کاتماندو | mzn |
| nah | Katmandu | nah |
| nan | Kathmandu | nan |
| Norwegian Bokmål | Katmandu | nb |
| nds-nl | Katmandoe | nds-nl |
| Nepali (macrolanguage) | काठमाडौँ | ne |
| new | येँ जिल्ला | new |
| Dutch | Kathmandu | nl |
| Norwegian Nynorsk | Katmandu | nn |
| nov | Katmandu | nov |
| Occitan (post 1500) | Katmandó | oc |
| Livvi | Katmandu | olo |
| Oriya (macrolanguage) | କାଠମାଣ୍ଡୁ | or |
| Ossetian | Катманду | os |
| Panjabi | ਕਾਠਮਾਂਡੂ | pa |
| pap | Katmandu | pap |
| pih | Kathmandu | pih |
| Polish | Katmandu | pl |
| pms | Kathmandu | pms |
| pnb | کھٹمنڈو | pnb |
| Pushto | کاتماندو | ps |
| Portuguese | Catmandu | pt |
| pt-br | Catmandu | pt-br |
| Romanian | Kathmandu | ro |
| Russian | Катманду | ru |
| rup | Kathmandu | rup |
| Sanskrit | काट्मण्डू | sa |
| sat | ᱠᱟᱴᱷᱩᱢᱟᱱᱰᱩ | sat |
| Sardinian | Katmandù | sc |
| Sicilian | Katmandù | scn |
| Scots | Kathmandu | sco |
| Sindhi | کٽمنڊو | sd |
| Northern Sami | Kathmandu | se |
| sgs | Katmandū | sgs |
| sh | Katmandu | sh |
| Sinhala | කත්මන්ඩු | si |
| Slovak | Káthmandu | sk |
| Slovenian | Katmandu | sl |
| Shona | Kathmandu | sn |
| Albanian | Katmandu | sq |
| Serbian | Катманду | sr |
| Swedish | Katmandu | sv |
| Swahili (macrolanguage) | Kathmandu | sw |
| szl | Katmandu | szl |
| szy | Cye-te-man-tu | szy |
| Tamil | காட்மாண்டூ | ta |
| Telugu | ఖాట్మండు | te |
| Tajik | Катманду | tg |
| tg-cyrl | Катманду | tg-cyrl |
| Thai | กาฐมาณฑุ | th |
| Turkmen | Katmandu | tk |
| Tagalog | Kathmandu | tl |
| tly | Katmandu | tly |
| Tok Pisin | Kathmandu | tpi |
| Turkish | Katmandu | tr |
| Tatar | Катманду | tt |
| udm | Катманду | udm |
| Uighur | كاتماندۇ | ug |
| Ukrainian | Катманду | uk |
| Urdu | کھٹمنڈو | ur |
| Uzbek | Katmandu | uz |
| vec | Katmandu | vec |
| vep | Katmandu | vep |
| Vietnamese | Kathmandu | vi |
| Volapük | Kathmandau | vo |
| war | Kathmandu | war |
| Wu Chinese | 加德满都 | wuu |
| xmf | კატმანდუ | xmf |
| Yiddish | קאטמאנדו | yi |
| Yoruba | Kathmandu | yo |
| yue | 加德滿都 | yue |
| Chinese | 加德滿都 | zh |
| zh-cn | 加德满都 | zh-cn |
| zh-hans | 加德满都 | zh-hans |
| zh-hant | 加德滿都 | zh-hant |
| zh-hk | 加德滿都 | zh-hk |
| zh-tw | 加德滿都 | zh-tw |