Paul Edward Nauert (born July 7, 1963) is an American professional baseball umpire who has umpired in Major League Baseball (MLB) since becoming a part-time National League (NL) umpire in 1995. Nauert previously worked in the Appalachian League (1988), the Midwest League (1989–1990), the Florida Instructional League (1988–1990), the Southern League (1991–1992), and the International League (1993–1998). He was the base umpire during the 27-inning, eight-hour-and-15-minute, Bluefield at Burlington game of June 24, 1988, that ended at 3:27 am on June 25.