| Language | Name | Code |
|---|---|---|
| Afar | Nikki | aa |
| ace | Nikki | ace |
| aeb-latn | Nikki | aeb-latn |
| Afrikaans | Nikki | af |
| Akan | Nikki | ak |
| aln | Nikki | aln |
| Aragonese | Nikki | an |
| ang | Nikki | ang |
| Arabic | نيكي | ar |
| arn | Nikki | arn |
| Asturian | Nikki | ast |
| atj | Nikki | atj |
| avk | Nikki | avk |
| Aymara | Nikki | ay |
| Azerbaijani | Nikki | az |
| ban | Nikki | ban |
| Bavarian | Nikki | bar |
| bbc | Nikki | bbc |
| bbc-latn | Nikki | bbc-latn |
| bcl | Nikki | bcl |
| be-tarask | Нікі | be-tarask |
| Bislama | Nikki | bi |
| Bambara | Nikki | bm |
| Breton | Nikki | br |
| Bosnian | Nikki | bs |
| bto | Nikki | bto |
| Catalan | Nikki | ca |
| cbk-zam | Nikki | cbk-zam |
| Cebuano | Nikki | ceb |
| Chamorro | Nikki | ch |
| cho | Nikki | cho |
| chy | Nikki | chy |
| Corsican | Nikki | co |
| cps | Nikki | cps |
| crh-latn | Nikki | crh-latn |
| Czech | Nikki | cs |
| csb | Nikki | csb |
| Welsh | Nikki | cy |
| Danish | Nikki | da |
| German | Nikki | de |
| de-at | Nikki | de-at |
| de-ch | Nikki | de-ch |
| din | Nikki | din |
| dsb | Nikki | dsb |
| dtp | Nikki | dtp |
| Ewe | Nikki | ee |
| egl | Nikki | egl |
| eml | Nikki | eml |
| English | Nikki | en |
| en-ca | Nikki | en-ca |
| en-gb | Nikki | en-gb |
| Esperanto | Nikki | eo |
| Spanish | Nikki | es |
| Estonian | Nikki | et |
| Basque | Nikki | eu |
| ext | Nikki | ext |
| Fulah | Nikki | ff |
| Finnish | Nikki | fi |
| fit | Nikki | fit |
| Fijian | Nikki | fj |
| Faroese | Nikki | fo |
| French | Nikki | fr |
| frc | Nikki | frc |
| frp | Nikki | frp |
| frr | Nikki | frr |
| fur | Nikki | fur |
| Western Frisian | Nikki | fy |
| Irish | Nikki | ga |
| gag | Nikki | gag |
| Scottish Gaelic | Nikki | gd |
| Galician | Nikki | gl |
| Guaraní | Nikki | gn |
| gom-latn | Nikki | gom-latn |
| gor | Nikki | gor |
| gsw | Nikki | gsw |
| Manx | Nikki | gv |
| Hausa | Nikki | ha |
| haw | Nikki | haw |
| hif | Nikki | hif |
| hif-latn | Nikki | hif-latn |
| hil | Nikki | hil |
| Hiri Motu | Nikki | ho |
| Croatian | Nikki | hr |
| hrx | Nikki | hrx |
| Upper Sorbian | Nikki | hsb |
| Haitian | Nikki | ht |
| Hungarian | Nikki | hu |
| Herero | Nikki | hz |
| Interlingua (International Auxiliary Language Association) | Nikki | ia |
| Indonesian | Nikki | id |
| Interlingue | Nikki | ie |
| Igbo | Nikki | ig |
| Inupiaq | Nikki | ik |
| ike-latn | Nikki | ike-latn |
| ilo | Nikki | ilo |
| Ido | Nikki | io |
| Icelandic | Nikki | is |
| Italian | Nikki | it |
| Japanese | ニッキー | ja |
| jam | Nikki | jam |
| Lojban | Nikki | jbo |
| jut | Nikki | jut |
| Javanese | Nikki | jv |
| kaa | Nikki | kaa |
| kab | Nikki | kab |
| kbp | Nikki | kbp |
| kea | Nikki | kea |
| Kongo | Nikki | kg |
| Kikuyu | Nikki | ki |
| Kuanyama | Nikki | kj |
| kk-latn | Nikki | kk-latn |
| kk-tr | Nikki | kk-tr |
| Kalaallisut | Nikki | kl |
| Kanuri | Nikki | kr |
| kri | Nikki | kri |
| krj | Nikki | krj |
| krl | Nikki | krl |
| ksh | Nikki | ksh |
| ku-latn | Nikki | ku-latn |
| Cornish | Nikki | kw |
| Latin | Nikki | la |
| lad | Nikki | lad |
| Luxembourgish | Nikki | lb |
| lfn | Nikki | lfn |
| Ganda | Nikki | lg |
| Limburgan | Nikki | li |
| lij | Nikki | lij |
| liv | Nikki | liv |
| lmo | Nikki | lmo |
| Lingala | Nikki | ln |
| loz | Nikki | loz |
| Lithuanian | Nikki | lt |
| ltg | Nikki | ltg |
| lus | Nikki | lus |
| Latvian | Nikki | lv |
| map-bms | Nikki | map-bms |
| Malagasy | Nikki | mg |
| Marshallese | Nikki | mh |
| Maori | Nikki | mi |
| min | Nikki | min |
| Malay (macrolanguage) | Nikki | ms |
| Maltese | Nikki | mt |
| mul | Nikki | mul |
| mus | Nikki | mus |
| mwl | Nikki | mwl |
| Nauru | Nikki | na |
| nah | Nikki | nah |
| nap | Nikki | nap |
| Norwegian Bokmål | Nikki | nb |
| Low German | Nikki | nds |
| nds-nl | Nikki | nds-nl |
| Ndonga | Nikki | ng |
| niu | Nikki | niu |
| Dutch | Nikki | nl |
| Norwegian Nynorsk | Nikki | nn |
| nov | Nikki | nov |
| Narom | Nikki | nrm |
| nso | Nikki | nso |
| Navajo | Nikki | nv |
| Chichewa | Nikki | ny |
| nys | Nikki | nys |
| Occitan (post 1500) | Nikki | oc |
| Livvi | Nikki | olo |
| pag | Nikki | pag |
| Pampanga | Nikki | pam |
| pap | Nikki | pap |
| pcd | Nikki | pcd |
| pdc | Nikki | pdc |
| pdt | Nikki | pdt |
| pfl | Nikki | pfl |
| pih | Nikki | pih |
| Polish | Nikki | pl |
| pms | Nikki | pms |
| prg | Nikki | prg |
| Portuguese | Nikki | pt |
| pt-br | Nikki | pt-br |
| Quechua | Nikki | qu |
| qug | Nikki | qug |
| rgn | Nikki | rgn |
| rif | Nikki | rif |
| Romansh | Nikki | rm |
| Rundi | Nikki | rn |
| Romanian | Nikki | ro |
| roa-tara | Nikki | roa-tara |
| Russian | Никки | ru |
| rup | Nikki | rup |
| ruq-latn | Nikki | ruq-latn |
| Kinyarwanda | Nikki | rw |
| Sardinian | Nikki | sc |
| Sicilian | Nikki | scn |
| Scots | Nikki | sco |
| sdc | Nikki | sdc |
| Northern Sami | Nikki | se |
| sei | Nikki | sei |
| Sango | Nikki | sg |
| sgs | Nikki | sgs |
| shi-latn | Nikki | shi-latn |
| sje | Nikki | sje |
| Slovak | Nikki | sk |
| Slovenian | Nikki | sl |
| sli | Nikki | sli |
| Samoan | Nikki | sm |
| sma | Nikki | sma |
| smj | Nikki | smj |
| Shona | Nikki | sn |
| Somali | Nikki | so |
| Albanian | Nikki | sq |
| Serbian | Ники | sr |
| sr-el | Nikki | sr-el |
| srn | Nikki | srn |
| srq | Nikki | srq |
| Swati | Nikki | ss |
| Southern Sotho | Nikki | st |
| stq | Nikki | stq |
| Sundanese | Nikki | su |
| Swedish | Nikki | sv |
| Swahili (macrolanguage) | Nikki | sw |
| szl | Nikki | szl |
| Tetum | Nikki | tet |
| tg-latn | Nikki | tg-latn |
| Tswana | Nikki | tn |
| Tonga (Tonga Islands) | Nikki | to |
| Tok Pisin | Nikki | tpi |
| Turkish | Nikki | tr |
| Tsonga | Nikki | ts |
| tt-latn | Nikki | tt-latn |
| tum | Nikki | tum |
| Twi | Nikki | tw |
| Tahitian | Nikki | ty |
| ug-latn | Nikki | ug-latn |
| Venda | Nikki | ve |
| vec | Nikki | vec |
| Vietnamese | Nikki | vi |
| vls | Nikki | vls |
| vmf | Nikki | vmf |
| Volapük | Nikki | vo |
| vro | Nikki | vro |
| Walloon | Nikki | wa |
| war | Nikki | war |
| Wolof | Nikki | wo |
| Xhosa | Nikki | xh |
| Yoruba | Nikki | yo |
| zea | Nikki | zea |
| Chinese | 尼基/妮基 | zh |
| zh-hant | 尼基/妮基 | zh-hant |
| zh-tw | 尼基 | zh-tw |
| Zulu | Nikki | zu |