Sean Thomas White (born April 25, 1981 in Pullman, Washington) is an American Major League Baseball relief pitcher for the Seattle Mariners. A right-handed pitcher, White made his Major League Baseball debut with the Mariners in 2007. He was selected by the Atlanta Braves in 8th Round (247th overall) of 2003 amateur entry draft.
White attended Mercer Island High School in Mercer Island, Washington and later attended the University of Washington where he was an All-Pac-10 honorable mention in 2002 and 2003.
White was named the Danville Braves Pitcher of the Month for August, going 3-0 with a 0.67 ERA. He Ranked third on the team with 51.1 innings pitched and only allowed one home run in all of 2003.