- Melvin Tagg
- Rea Tagg
- Wilma Tagg
- Butch Tailfeathers
- Dakota Tailfeathers-Maiers
- Donovan Tail Feathers
- Gary Tailfeathers
- Johnel "Peaches" Tailfeathers
- Ira Tailfeathers
- Irene Tailfeathers
- Kyle Tailfeathers
- Lane Tailfeathers
- Lester Tailfeathers
- Lyman Tail Feathers
- Rick Tailfeathers
- Rob Tailfeathers
- Simone Tailfeathers
- Terence Tailfeathers
- Duane Talbot
- Barbara Jean Tallow
- Cameron Tallow
- Hugh Tallow
- John "JJ" Tallow
- Kelsey Tallow
- Maggie Tallow-Chief Moon
- Mallory Tallow
- May Tallow
- Rustin Tallow
- Craig Tanner
- LaJeanne Tanner
- Mary Tanner
- David Taylor
- Lee Ternes
- Adele Tews
- Burke Thomas
- Janet Thompson
- Kendall Thompson
- LeVaun Thompson
- George Thomson
- Ardith Tjornelund
- Frances Tidmarsh
- Dean Tillack
- Lois Tillack
- Angie Todd
- Lyle Toews
- Kandice Tolley
- Thora Workman Tolley
- Gerald Tolman
- Maria Tondevold
- Thor Tondevold
- Marion Tone
- George Toone
- James Toone
- John Toth
- Zellah Toth
- Fontella Trainer
- Andrew Twigg
- Anita Twigg
- Brittany Twigg
- Chantelle Twigg
- Evander Twigg
- Geri Twigg
- Lacey Twigg
- Mary Twigg
- Myles Twigg-Wells
- Russell Twigg-Wells
- Crystle Twigg - White Quills
- Helga Tynan
- Raymond Tynan