Persons S
| Sinnemäki, Pekka | Person | |
| Sintonen, Kaarina | Person | |
| Sintonen, Riikka | Person | |
| Sipilä, Bertta | Person | |
| Sipilä, Hannu | Person | |
| Sipilä, Helena | Person | |
| Sipilä, Jukka | Person | |
| Siponen, Orvokki | Person | |
| Sippola, Susanna | Person | |
| Sippola, Taru | Person | |
| Sippola, Ulla | Person | |
| Sippola-Nurminen, Satu | Person | |
| Siraste, Kirsti | Person | |
| Sirkiä, Raimo | Person | |
| Sirniö, Ilkka-Kristian | Person | |
| Sirola, Pekka | Person | |
| Sirén, Ervi | Person | |
| Sirén, Helmi | Person | |
| Sirén, Per-Olof | Person | |
| Sirén, Riikka | Person |