| Czech Republic | Independent Czechoslovak State Day (Självständighe |
| Denmark | Judas, Simon |
| Estonia | Siim, Siimo, Siimon, Siimu, Simmo, Simmu, Simun |
| Finland | Simo |
| Finland-Swedish | Simon, Simone |
| France | Simon |
| Hungary | Simon, Szimonetta |
| Latvia | Antoņina, Ņina, Ninona, Oksana |
| Lithuania | Almantė, Gaudrimas, Judas, Simas, Simonas, Tadas |
| Norway | Simen, Simon |
| Poland | Szymon, Tadeusz, Wszeciech |
| Sweden | Simon, Simone |