| Czech Republic | Klement |
| Denmark | Clemens |
| Estonia | Kleement, Leemet, Leemo |
| Finland | Ismo |
| Finland-Swedish | Yngvar, Yngve |
| France | Clément |
| Hungary | Kelemen, Klementina |
| Latvia | Zigfrīda, Zigrīda, Zigrīds |
| Lithuania | Adelė, Doviltas, Felicita, Klemensas, Kolumbas, Liubartė, Orestas |
| Norway | Klaus, Klement |
| Poland | Adela, Klemens, Przedwoj |
| Sweden | Klemens |