| Language | Name | Code |
|---|---|---|
| Asturian | Monaghan | ast |
| Bulgarian | Монахан | bg |
| Breton | Muineachán | br |
| Catalan | Monaghan | ca |
| Cebuano | Monaghan | ceb |
| Welsh | Monaghan | cy |
| Danish | Monaghan | da |
| German | Monaghan | de |
| Modern Greek (1453-) | Μόναχαν | el |
| English | Monaghan | en |
| en-us | Monaghan | en-us |
| Spanish | Monaghan | es |
| Basque | Monaghan | eu |
| Persian | موناقان | fa |
| Finnish | Monaghan | fi |
| French | Monaghan | fr |
| frr | Monaghan | frr |
| Irish | Muineachán | ga |
| Hebrew | מונגאן | he |
| Indonesian | Monaghan | id |
| Italian | Monaghan | it |
| Japanese | モナハン | ja |
| Georgian | მონაჰანი | ka |
| Korean | 모나한 | ko |
| Latin | Monaghan | la |
| Lithuanian | Monachanas | lt |
| Latvian | Monahana | lv |
| Macedonian | Монахан | mk |
| Norwegian Bokmål | Monaghan | nb |
| Dutch | Monaghan | nl |
| Norwegian Nynorsk | Monaghan | nn |
| Polish | Monaghan | pl |
| pt-br | Monaghan | pt-br |
| Russian | Монахан | ru |
| Slovak | Monaghan | sk |
| Serbian | Монахан | sr |
| Swedish | Monaghan | sv |
| Swahili (macrolanguage) | Monaghan | sw |
| Ukrainian | Монахан | uk |
| Urdu | مونیہین | ur |
| Chinese | 莫纳亨 | zh |
| zh-hant | 莫納亨 | zh-hant |