Joseph Harvey Milton Lacelle (January 18, 1918 – June 28, 1942) was a Canadian boxer who competed in the 1936 Summer Olympics.
He was born in Ottawa. In 1936 he was eliminated in the first round of the bantamweight class after losing his fight to the upcoming bronze medalist Fidel Ortiz. A member of the Royal Canadian Air Force, he was killed during a bombing raid over Berlin, Germany on June 28, 1942 and buried at the Bergen-OP-Zoom Canadian War Cemetery in Netherlands.