William Taylor Harris
- Bats Right, Throws Right
- Height 6' 4", Weight 225 lb.
- School Louisiana State University
- High School Slidell High School
- Debut August 13, 2012
On August 3, 2019, Will Harris was one of four Houston Astros pitchers who combined to throw a no-hitter against the Seattle Mariners; Harris pitched the 7th inning, after Aaron Sanchez had started things off with 6 hitless innings. Joe Biagini and Chris Devenski then both pitched one hitless inning to complete the feat.
- Scott Gleeson: "Nationals agree to deal with reliever Will Harris, who allowed game-winning homer in Game 7 of the 2019 World Series", USA Today, January 3, 2020. 
- Bob Nightengale: "'Got to be a tough spot': Ex-Astros pitcher Will Harris finds himself in strange situation with Nationals", USA Today, February 16, 2020.