- Tabares
- Tabili
- Tadeo
- Taebel
- Taetle
- Tafesse
- Tafoya
- Takagi
- Takessian
- Talbot
- Tall
- Tallant
- Talley
- Talsma
- Tamarack
- Tamm
- Tamsen
- Tang
- Tankenoff
- Tansik
- Tanzillo
- Tapia
- Tapinakis
- Tapke
- Tappin
- Taraba
- Tardibuono
- Tarpinian
- Tarris
- Taskila
- Tate
- Tatham
- Tatro
- Tatum
- Tayag
- Taylor
- Teager
- Teague
- Tebo
- Tees
- Tefft
- Teiwes
- Telles
- Tellez
- Tellman
- Tempkin
- Temple
- Tempone
- Tenison
- Tenuta
- Teplitz
- Tepper
- Terkanian
- Terpening
- Terrell
- Terrill
- Terry
- Tetreault
- Tetzloff
- Tevis
- Tharp
- Theiss
- Theriault
- Theunissen
- Thibodeau
- Thibodeaux
- Thielke
- Thies
- Thim
- Thomas
- Thomason
- Thomassen
- Thomke
- Thommes
- Thompson
- Thormann
- Thorne
- Thornes
- Thornhill
- Thornton
- Thorpe
- Thorson
- Thorsrud
- Thorup
- Thum
- Thumma
- Thure
- Thureson
- Thurman
- Thurston
- Tidaback
- Tidwell
- Tiers
- Tifft
- Till
- Tillich
- Tillman
- Tilton
- Timm
- Timmerman
- Tims
- Tindall
- Tingstad
- Tinkle
- Tipton
- Tirrell
- Titley
- Titone
- Tjossem
- To
- Tobey
- Todd
- Toensing
- Tofel
- Togias
- Tolano
- Tolbert
- Tolkoff
- Tolley
- Tolliver
- Tollman
- Tolson
- Tom
- Tomassini
- Tome
- Tomizuka
- Tomlinson
- Tomoff
- Tomsheck
- Tomy
- Tonski
- Toombs
- Topping
- Torchia
- Tornquist
- Torok
- Torrejon
- Torres
- Torrey
- Tortorella
- Torzala
- Tostengard
- Toth
- Touret
- Tout
- Toutant
- Tower
- Towers
- Towle
- Towles
- Towne
- Towner
- Townsend
- Townsley
- Tractenberg
- Tracy
- Tracz
- Tran
- Trapani
- Trask
- Trautman
- Traver
- Travis
- Travor
- Traxler
- Trayers
- Traynor
- Treacy
- Treadaway
- Trebour
- Trebus
- Treece
- Trego
- Treister
- Trejo
- Trent
- Trestik
- Tresvik
- Tretinik
- Tretschok
- Tretter
- Treveloni
- Trew
- Trible
- Triboulet
- Trim
- Trimmer
- Trinidad
- Triphan
- Tripp
- Trippe
- Trivett
- Trojanowski
- Trokey
- Trossman
- Trotta
- Trouard
- Trowbridge
- Troyan
- Trueba
- Trueblood
- Truesdell
- Trujillo
- Truman
- Trumbo
- Trumper
- Truong
- Trussell
- Tryon
- Tschanz
- Tselnik
- Tseng
- Tsirklin
- Tsuruda
- Tucci
- Tuchi
- Tucker
- Tugade
- Tuholski
- Tulga
- Tully
- Tumellie
- Tung
- Tungland
- Tunis
- Tunison
- Turco
- Turcotte
- Turek
- Turk
- Turkot
- Turnbull
- Turner
- Turney
- Turpin
- Turra
- Tursi
- Tuttle
- Tvedt
- Tweedy
- Twibell
- Twiggs
- Tyau
- Tye
- Tygielski
- Tyler
- Tylutki
- Tyron
- Tyrrell