Sean Thomas White (born April 25, 1981 in Pullman, Washington) is an American (United States) baseball pitcher for the Seattle Mariners. A right-handed pitcher, White made his Major League Baseball debut with the Mariners in mlby2007. He was selected by 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 By2002 and By2003.