Vilhelm: Name day
Name Day List: Vilhelm
Name Day List - similar names (Vilhelm)
| Country | Day | Month | Names |
 Lithuania | 10 | January | Agatonas, Ginvilas, Ginvile, Palemonas, Vilhelmas |
 Finland | 26 | May | Minna, Vilma, Minni, Miina, Mimmi, Vilhelmiina |
| Lithuania | 26 | May | Algimantas, Eduardas, Milvyde, Vilhelmina |
 Sweden | 26 | May | Vilhelmina, Vilma |
 Latvia | 28 | May | Vilhelms, Vilis, Villija |
| Lithuania | 25 | June | Baniute, Geistautas, Geistaute, Vilhelmas |
 Hungary | 19 | September | Vilhelmina |
| Lithuania | 19 | September | Girvinas, Vilhelmina, Vyte |
| Latvia | 14 | October | Minna, Vilhelmine |
Denmark 
Norway