Paris - Île-de-France
- Signoles
- Signorino
- Sigonney
- Sigot
- Siguier
- Silberman
- Silhouette
- Silvagnoli
- Silvin
- Simakha
- Simb
- Simbozel
- Simier
- Simoens
- Simonaud
- Simonetto
- Simonovic
- Simons
- Sina
- Sinay
- Sinayoko
- Since
- Sindres
- Sinegre
- Sineux
- Singla
- Sinha
- Sinibaldi
- Sinnassamy
- Sinnathamby
- Sinz
- Siou
- Sioul
- Siragusa
- Sireau
- Sirgue
- Sirinelli
- Sirodot
- Siroteau
- Sirugue
- Sisombat
- Sisse
- Sisserian
- Sissmann
- Sitz
- Siu
- Sivasothy
- Sivel
- Siwiec
- Skaff
- Sliman
- Sliwa
- Sliwka
- Slouma
- Slowik
- Smila
- Sniadower
- Snrech
- Soavi
- Sobhi
- Socateb
- Sochala
- Socquet
- Soenen
- Soetemondt
- Sofer
- Soffer
- Sofianos
- Soglo
- Sognigbe
- Sogodogo
- Sohm
- Sohn
- Soki
- Soko
- Sokolov
- Solans
- Solarz
- Solas
- Solbes
- Soldati
- Soldevila
- Soleilhavoup
- Soleimani
- Soligny
- Soliven
- Soliveres
- Solnica
- Solnik
- Solo
- Solomiac
- Soma
- Some
- Somnard
- Somrani
- Sondarjee
- Sonnefraud
- Sonnino
- Sonolet
- Sontag