Joseph Élie Blanchard (1881–1941) was a Canadian lacrosse player who competed in the 1904 Summer Olympics in St. Louis. Born in Montreal in 1881, he graduated as an engineer at the École Polytechnique de Montréal in 1902 before working for the city of Winnipeg in 1904. The same year, he was briefly a member of the Shamrock Lacrosse Team which won the gold medal in the lacrosse tournament on July 7, 1904, against the St.-Louis Amateur Athletic Association's team.