Thionville 57100 - Lorraine
- Ruckert
- Ruez
- Ruff
- Ruffing
- Ruiz
- Rusovic
- Saadedine
- Sabatier
- Sabri
- Saghi
- Sahim
- Sahinine
- Saint-clair
- Saint-remy
- Salem
- Salhi
- Salier
- Salingue
- Salloua
- Salm
- Samson
- Sanches
- Sanchez
- Sangaletti
- Sansalone
- Santoni
- Sardini
- Sardou
- Sarhadwal
- Sarra
- Saumard
- Saumen
- Sauvage
- Scarpa
- Schaaf
- Schanzenbacher
- Schappler
- Schiebel
- Schildknecht
- Schilt
- Schinker
- Schlernitzauer
- Schlick
- Schlosser
- Schmaltz
- Schmittheissler
- Schmitz
- Schnebelen
- Schnell
- Scholtus
- Scholz
- Schoug
- Schoumacher
- Schuler
- Schwarz
- Sciotti
- Scodellero
- Sebastiani
- Sebastien
- Seck
- Seddiki
- Sehajic
- Sehovic
- Seignert
- Seiwert
- Sekour
- Selles
- Sellier
- Selmani
- Semin
- Sendegeya
- Senninger
- Serra
- Sfalcin
- Sgarito
- Sibille
- Sibon
- Sicolo
- Sidibe
- Siebenaler
- Siest
- Siguret
- Silva
- Simo
- Simoes
- Simonnet
- Simonot
- Simonyan
- Simounet
- Sinel
- Sissokho
- Sobczak
- Sobies
- Socha
- Sogne
- Sorcinelli
- Soria
- Soriot
- Souchon
- Soudant