Edwin William Hickox (born July 31, 1962) is an American umpire in Major League Baseball who worked in the American League from 1990 to 1999 and throughout both major leagues beginning in 2005. He wears uniform number 15 (he wore uniform number 39 during his American League tenure). Hickox has officiated the Division Series in 2007, 2010, 2012, and 2019 and 2020, as well as the 2011 Major League Baseball All-Star Game. He was rated the worst home plate umpire in MLB for balls and strikes in 2021.