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