Paris - Île-de-France
- Treiner
- Trellu
- Trelluyer
- Tremblais
- Tremble
- Trembley
- Tremolieres
- Tremouille
- Trenaux
- Trento
- Trepied
- Tresarrieu
- Tresch
- Tressard
- Tresse
- Treton
- Treussard
- Trevet
- Trevien
- Trial
- Triana
- Tribert
- Tribes
- Tribet
- Tribodet
- Tribot Laspiere
- Tribou
- Tribouillard
- Trichon
- Tricone
- Tricottet
- Tricou
- Triebel
- Trifunovic
- Trigo
- Triguero
- Trillaud
- Trimaille
- Trimbach
- Tring
- Triniac
- Trintignac
- Trintzius
- Triolet
- Triollet
- Tripard
- Tripathi
- Tristani
- Tritz
- Trivedi
- Trninic
- Trobrillant
- Troccaz
- Troclet
- Troeung
- Troin
- Trojanowski
- Trokiner
- Trolliet
- Tromas
- Trombetta
- Trombini
- Tromparent
- Tropres
- Trotel
- Trotet
- Trotobas
- Trotonda
- Trotot
- Trottet
- Trouplin
- Trousselle
- Troxler
- Trugnan
- Trumeau
- Trumel
- Trunel
- Truquet
- Trussant
- Tryoen
- Tsaklidis
- Tsamba
- Tsaropoulos
- Tschiember
- Tsekenis
- Tsevery
- Tshibangu
- Tsimba
- Tsogo
- Tsui
- Tucoulat
- Tuizer
- Tuleu
- Tullet
- Tulliez
- Tullio
- Tuncer
- Tunkara
- Turcas
- Turcon
