| Part of speech | proper name |
|---|---|
| Hyphenation | Nord·a Mar·o |
| Afrikaans | Noordsee |
|---|---|
| Danish | Nordsøen |
| Dutch | Noordzee |
| English | North Sea; German Ocean; German Sea |
| French | mer du Nord |
| German | Nordsee |
| Greek | Βόρεια Θάλασσα |
| Icelandic | Norðursjór |
| Low German | Noordsey |
| Luxemburgish | Nordmier |
| Norwegian | Nordsjøen |
| Papiamento | Laman Nort |
| Russian | Немецкое море; Северное море |
| Saterland Frisian | Noudsee |
| Spanish | mar del Norte |
| Swedish | Nordsjön |
| Thai | ทะเลแหนือ |
| West Frisian | Noardsee |