| Language | Name | Code |
|---|---|---|
| Afrikaans | Castricum | af |
| Catalan | Castricum | ca |
| Cebuano | Castricum | ceb |
| Danish | Castricum | da |
| German | Castricum | de |
| English | Castricum | en |
| Faroese | Castricum | fo |
| Irish | Castricum | ga |
| Luxembourgish | Castricum | lb |
| Norwegian Bokmål | Castricum | nb |
| Dutch | Castricum | nl |
| Norwegian Nynorsk | Castricum | nn |
| Swedish | Castricum | sv |
| Ukrainian | Кастрікюм | uk |