Paris - Île-de-France
- Themont
- Thenard
- Thenault
- Thenet
- Theodet
- Therwath
- Thetiot
- Theulier
- Theuriot
- Thevarajah
- Thevenin-lemoine
- Theves
- Thevin
- Thezard
- Thiagarajah
- Thiant
- Thibeault
- Thibord
- Thiboult
- Thiboust
- Thicke
- Thidet
- Thiefine
- Thiehi
- Thiellet
- Thienard
- Thienpont
- Thierart
- Thiercy
- Thiessard
- Thieux
- Thimognier
- Thimonnier
- Thingaud
- Thinon
- Thiounn
- Thioux
- Thiphaine
- Thirriot
- Thirukumar
- This
- Thivend
- Thiveux
- Thivolet
- Thobie
- Thoby
- Thollet
- Thoma
- Thomaso
- Thomassaint
- Thomin
- Thomire
- Thongphan
- Thorner
- Thornhill
- Thornton
- Thou
- Thouault
- Thoumy
- Thourel
- Thourot
- Thouvenel
- Thuaire
- Thual
- Thuau
- Thuillez
- Thuilliez
- Thuillot
- Thuilot
- Thuleau
- Thune
- Thurairajah
- Thuraisingam
- Thurieau
- Thuries
- Thuring
- Thybaud
- Thys
- Thélier
- Thélot
- Thépaut
- Théron
- Théry
- Tiago
- Tiaiba
- Tibaoui
- Tiboul
- Tien
- Tieng
- Tieo
- Tierce
- Tiet
- Tiev
- Tiffon
- Tighidet
- Tighilt
- Tighremt
- Tignol
- Tigreat
- Tigrine