Tui T. Sutherland, also known as T. T. Sutherland is a Venezuelan-American children's book author who has also written under the pen name Heather Williams. She shares another pen name, Erin Hunter, with writers Kate Cary and Cherith Baldry when they collaborate with editor Victoria Holmes on the Seekers and Warriors series of novels.
In 2009, she appeared as a contestant on Jeopardy!, becoming a two-day champion and winning a grand total of $46,200.