| føroyskt | fao-000 |
| Niklas | |
| العربية | arb-000 | نقولا |
| беларуская | bel-000 | Мікалай |
| brezhoneg | bre-000 | Nikolaz |
| български | bul-000 | Никола |
| български | bul-000 | Николай |
| bălgarski ezik | bul-001 | Nikola |
| bălgarski ezik | bul-001 | Nikolaj |
| català | cat-000 | Micolau |
| català | cat-000 | Nicolau |
| čeština | ces-000 | Mikoláš |
| čeština | ces-000 | Mikula |
| čeština | ces-000 | Mikuláš |
| čeština | ces-000 | Nikola |
| 普通话 | cmn-000 | 尼克拉 |
| dansk | dan-000 | Nicolaus |
| dansk | dan-000 | Niels |
| dansk | dan-000 | Niklas |
| dansk | dan-000 | Nikolaj |
| Deutsch | deu-000 | Klaus |
| Deutsch | deu-000 | Nikolaus |
| eesti | ekk-000 | Nigul |
| ελληνικά | ell-000 | Νικόλαος |
| English | eng-000 | Niccolas |
| English | eng-000 | Nichalas |
| English | eng-000 | Nichelas |
| English | eng-000 | Nicholas |
| English | eng-000 | Nicholaus |
| English | eng-000 | Nicklaus |
| English | eng-000 | Nickolas |
| English | eng-000 | Nikolas |
| English | eng-000 | Nycholas |
| Esperanto | epo-000 | Nikolao |
| euskara | eus-000 | Nikola |
| euskara | eus-000 | Nikolas |
| suomi | fin-000 | Niilo |
| suomi | fin-000 | Niko |
| français | fra-000 | Nicholas |
| français | fra-000 | Nicolas |
| lenghe furlane | fur-000 | Niculau |
| Gàidhlig | gla-000 | Neacail |
| Gàidhlig | gla-000 | Nicol |
| Gaeilge | gle-000 | Nioclás |
| galego | glg-000 | Nicolau |
| Hellēnikḗ | grc-001 | Nikólaos |
| Српскохрватски | hbs-000 | Нико |
| Српскохрватски | hbs-000 | Никола |
| Srpskohrvatski | hbs-001 | Niko |
| Srpskohrvatski | hbs-001 | Nikola |
| hrvatski | hrv-000 | Nikola |
| magyar | hun-000 | Miklós |
| magyar | hun-000 | Nikola |
| արևելահայերեն | hye-000 | Նիկողայոս |
| արևելահայերեն | hye-000 | Նիկողոս |
| íslenska | isl-000 | Nikulás |
| italiano | ita-000 | Niccolò |
| italiano | ita-000 | Nicola |
| italiano | ita-000 | Nicolò |
| 日本語 | jpn-000 | ニコラス |
| ქართული | kat-000 | ნიკოლოზ |
| Kartuli | kat-001 | Nikoloz |
| 한국어 | kor-000 | 니콜라스 |
| latine | lat-000 | Nicolaus |
| lietuvių | lit-000 | Mikalojus |
| lietuvių | lit-000 | Mikas |
| Lëtzebuergesch | ltz-000 | Nicolas |
| latviešu | lvs-000 | Nikolajs |
| македонски | mkd-000 | Никола |
| Makedonski jazik | mkd-001 | Nikola |
| Plattdüütsch-Neddersassisch | nds-002 | Klaas |
| Plattdüütsch-Neddersassisch | nds-002 | Nickel |
| Nederlands | nld-000 | Nicolaas |
| Nederlands | nld-000 | Nikolaas |
| bokmål | nob-000 | Nils |
| فارسی | pes-000 | نیکولاس |
| polski | pol-000 | Mikołaj |
| português | por-000 | Nicolau |
| română | ron-000 | Neculai |
| română | ron-000 | Nicolae |
| română | ron-000 | Nikolae |
| русский | rus-000 | Никола́й |
| русский | rus-000 | Николас |
| russkij | rus-001 | Nikolaj |
| slovenčina | slk-000 | Mikuláš |
| slovenščina | slv-000 | Miklavž |
| slovenščina | slv-000 | Nikola |
| slovenščina | slv-000 | Nikolaj |
| slovenščina | slv-000 | Nikoláj |
| davvisámegiella | sme-000 | Niillas |
| español | spa-000 | Nicolao |
| español | spa-000 | Nicolás |
| shqip | sqi-000 | Nikolla |
| shqip | sqi-000 | Nishi |
| srpski | srp-001 | Nikola |
| svenska | swe-000 | Nicklas |
| svenska | swe-000 | Nicklaus |
| svenska | swe-000 | Niclas |
| svenska | swe-000 | Niklas |
| svenska | swe-000 | Nikolaus |
| svenska | swe-000 | Nils |
| Kiswahili | swh-000 | Nikolau |
| ภาษาไทย | tha-000 | นิโคลัส |
| українська | ukr-000 | Микола |
| українська | ukr-000 | Миколай |
| Latynytsia | ukr-001 | Mykola |
| Latynytsia | ukr-001 | Mykolaj |