Paris - Île-de-France
- Theis
- Thelliez
- Theodose
- Theoleyre
- Thereau
- Therizols
- Theunissen
- Theze
- Thibier
- Thibierge
- Thibon
- Thiebot
- Thieffine
- Thiers
- Thiesse
- Thievenaz
- Thillier
- Thimonier
- Thirard
- Thiria
- Thivolle
- Thiyagarajah
- Tholomier
- Thomain
- Thomassian
- Thominet
- Thomé
- Thonier
- Thor
- Thorez
- Thory
- Thoyer
- Thuaudet
- Thuilier
- Thullier
- Thurel
- Thérond
- Ti
- Tiab
- Tiburce
- Tiercelin
- Tiffou
- Tiger
- Tilliette
- Timbo
- Timon
- Tiquet
- Tirant
- Tirat
- Tissandie
- Titouche
- Tlati
- Tobaly
- Tobni
- Tocci
- Todea
- Tognazzoni
- Tola
- Tolba
- Tolini
- Tomat
- Tomlinson
- Tonin
- Tonkovic
- Tonnet
- Topaloff
- Topol
- Toquet
- Tordo
- Torres Bardales
- Toscano
- Tosoni
- Tossa
- Toubin
- Touchon
- Tourancheau
- Touray
- Tourmente
- Tournebize
- Tournel
- Tournemine
- Tournerie
- Tourre
- Tourtet
- Tourtois
- Toutin
- Toutlemonde
- Touzain
- Touzi
- Toybou
- Tram
- Tran Thi
- Tranchot
- Trani
- Transon
- Trapp
- Traverso
- Trebucq
- Treca
- Trefi