Larry Wayne Vanover (born August 22, 1955) is an American professional baseball umpire. Vanover worked in the National League from 1991 to 1999. He did not umpire in 2000 and 2001, and since 2002 has umpired across both major leagues. Vanover has umpired in three Division Series (2006, 2013, 2016), three League Championship Series (2003, 2007, 2011), and the 2016 World Series. He also has officiated in two All Star Games (1999, 2013) and the 2009 World Baseball Classic.