| Naam | Aantal | Naam | Aantal |
|---|---|---|---|
| Swalue | 4 | Swemmert | 31 |
| Swan | 1 | Swiep | 2 |
| Swan-Neck (Ealdgyth) | 1 | Swinderen, van | 1 |
| Swaron | 10 | Switser | 3 |
| Swart | 6 | Swol, van | 2 |
| Swarte, de | 2 | Swynford, of | 5 |
| Swartz | 1 | Swynfort Roet | 1 |
| Swartzenburg, von | 2 | Sydney | 1 |
| Sweeris | 2 | Synadene | 1 |
| Sweers | 1 | Szaras | 1 |
| Sweerts | 1 | Szechenyl de Savar-Felsövidek | 1 |
| Swemmer | 14 | Szezottok | 2 |