| Lëtzebuergesch | ltz-000 |
| Cer | |
| bosanski | bos-000 | cerijum |
| català | cat-000 | ceri |
| čeština | ces-000 | cer |
| 普通话 | cmn-000 | 铈 |
| lingua corsa | cos-000 | ceriu |
| dansk | dan-000 | cerium |
| Deutsch | deu-000 | Cer |
| eesti | ekk-000 | tseerium |
| English | eng-000 | cerium |
| Esperanto | epo-000 | cerio |
| suomi | fin-000 | cerium |
| français | fra-000 | cérium |
| galego | glg-000 | cerio |
| Srpskohrvatski | hbs-001 | cerijum |
| עברית | heb-000 | צריום |
| hrvatski | hrv-000 | cerij |
| magyar | hun-000 | cérium |
| Ido | ido-000 | cerio |
| bahasa Indonesia | ind-000 | serium |
| italiano | ita-000 | cerio |
| la lojban. | jbo-000 | jinmrseri |
| 日本語 | jpn-000 | セリウム |
| 한국어 | kor-000 | 세륨 |
| latine | lat-000 | cerium |
| lietuvių | lit-000 | ceris |
| latviešu | lvs-000 | cērijs |
| Nederlands | nld-000 | cerium |
| nynorsk | nno-000 | cerium |
| bokmål | nob-000 | cerium |
| polski | pol-000 | cer |
| português | por-000 | cério |
| русский | rus-000 | церий |
| slovenščina | slv-000 | cerij |
| español | spa-000 | cerio |
| српски | srp-000 | церијум |
| svenska | swe-000 | cerium |
| ภาษาไทย | tha-000 | ซีเรียม |
| Türkçe | tur-000 | seryum |
| ئۇيغۇرچە | uig-000 | سېرىي |
| українська | ukr-000 | церій |
| Volapük | vol-000 | zerin |