Leo Ernest Whitt (born June 13, 1952) is an American former professional baseball catcher. He played 15 seasons in Major League Baseball (MLB), including twelve for the Toronto Blue Jays, and was the last player from the franchise's inaugural season of 1977 to remain through 1989. He has managed the Canada national baseball team since 2004. Whitt was inducted into the Ontario Sports Hall of Fame in 1997 and the Canadian Baseball Hall of Fame in 2009.