Paris - Île-de-France
- Thiaucourt
- Thiaw
- Thibier
- Thiboult
- Thiebot
- Thierree
- Thieullent
- Thillaye
- Thilloy
- Thinieres
- Thioly
- Thiounn
- Thioye
- Thirault
- Thiria
- Thiriat
- Thirode
- Thiroloix
- Thiroux
- Thisy
- Thivel
- Thivend
- Thiyagarajah
- Thizon
- Thiébaut
- Thobie
- Thoby
- Thollet
- Thollon
- Thomazi
- Thomine Desmazures
- Thomine-desmazures
- Thomis
- Thonnat
- Thor
- Thorey
- Thorp
- Thos
- Thou
- Thouement
- Thoumine
- Thouret
- Thouvenel
- Thouverez
- Thuilier
- Thuilliez
- Thuleau
- Thumerel
- Thurieau
- Thyss
- Thébault
- Théophile
- Thérond
- Tiano
- Tiburce
- Tiet
- Tiffou
- Tighlit
- Tijou
- Tilikete
- Till
- Tillard
- Tilliet
- Tillon
- Timbo
- Timmermans
- Timsiline
- Tina
- Tinard
- Tinas
- Tiphaine
- Tiravy
- Tires
- Titinsnaider
- Titus
- Tixeuil
- Tlati
- Tlemsani
- Toboul
- Tocny
- Todorova
- Toesca
- Toison
- Tolini
- Tolédano
- Tomita
- Tomlinson
- Tommasi
- Tondut
- Tonga
- Tonkovic
- Topcu
- Toprak
- Tora
- Toraille
- Torassa
- Torchin
- Tordo
- Torella
- Torio