Lyon - Rhône-Alpes
- Thebault
- Thein
- Thelisson
- Thely
- Themudo
- Thenard
- Thenon
- Theo
- Theodoropoulos
- Theoleyre
- Theotikos
- Thepenier
- Theres
- Therese
- Therme
- Thermoz
- Theron
- Therras
- Therry
- Therville
- Theuil
- Theurot
- Theven
- Thevenieau
- Theveny
- Theyssier
- Thiault
- Thibaudier
- Thibeau
- Thibierge
- Thibieroz
- Thibon
- Thielly
- Thien
- Thieulin
- Thievenaz
- Thill
- Thillet
- Thirouin
- Thivand
- Thivillier
- Thobie
- Thollin
- Tholly
- Tholomet
- Tholon
- Tholy
- Thomachot
- Thomann
- Thomazo
- Thomine
- Thominet
- Thomé
- Thong
- Thoniel
- Thorat
- Thorin
- Thouny
- Thouret
- Thoury
- Thouvenel
- Thouvenin Usage Barret
- Thouvignon
- Thoviste
- Thuaire
- Thuderoz
- Thuel
- Thuilliez
- Thurel
- Thyot
- Thévenot
- Tibere
- Tiberi
- Tignat
- Tillier
- Tilly
- Timbick
- Tinat
- Tindawo
- Tindon
- Tines
- Tinet
- Tinguely
- Tinnirello
- Tinoco
- Tiraboschi
- Tirandaz
- Tirelli
- Tiret
- Tissot-favre
- Tita
- Titta
- Tittensor
- Tobalem
- Tocchio
- Todeschini
- Todini
- Todjiret
- Todorov
- Toesca