| ภาษาไทย | tha-000 |
| สมเด็จพระสันตะปาปานิโคลัสที่ 1 | |
| български | bul-000 | Николай I |
| català | cat-000 | Nicolau I |
| čeština | ces-000 | Mikuláš I. Veliký |
| 普通话 | cmn-000 | 尼各老一世 |
| 國語 | cmn-001 | 尼各老一世 |
| Deutsch | deu-000 | Nikolaus I. |
| ελληνικά | ell-000 | Πάπας Νικόλαος Α ́ |
| English | eng-000 | Pope Nicholas I |
| Esperanto | epo-000 | Nikolao la 1-a |
| suomi | fin-000 | Pyhä Nikolaus I |
| français | fra-000 | Nicolas Ier |
| galego | glg-000 | Nicolao I |
| magyar | hun-000 | I. Nagy Miklós pápa |
| italiano | ita-000 | Papa Niccolò I |
| basa Jawa | jav-000 | Paus Nikolas I |
| 한국어 | kor-000 | 교황 니콜라오 1세 |
| latine | lat-000 | Nicolaus I |
| मराठी | mar-000 | पोप निकोलस पहिला |
| Nederlands | nld-000 | Paus Nicolaas I |
| polski | pol-000 | Papież Mikołaj I |
| português | por-000 | Papa Nicolau I |
| română | ron-000 | Papa Nicolae I |
| русский | rus-000 | Николай I |
| slovenčina | slk-000 | Mikuláš I. |
| español | spa-000 | Nicolás I |
| svenska | swe-000 | Nicolaus I |
| Kiswahili | swh-000 | Papa Nikolasi I |
| українська | ukr-000 | Миколай I |