Edward Joseph Onslow (February 17, 1893 – May 8, 1981) was a first baseman in American Major League Baseball who played for the Detroit Tigers (1912–13), Cleveland Indians (1918) and Washington Senators (1927). Born in Meadville, Pennsylvania, he was the younger brother of Jack Onslow, a catcher, coach and scout in the major leagues, and the manager of the 1949–50 Chicago White Sox. He was elected to the International League Hall of Fame in 1951 and died in Dennison, Ohio, thirty years later at the age of 88.