Simeon Henry Jean LaRocque (February 26, 1863 – May 31, 1933) was a professional baseball player.
He was a second baseman over parts of three seasons (1888, 1890–91) with the Detroit Wolverines, Pittsburgh Alleghenys/Pirates and Louisville Colonels.
For his career, he compiled a .249 batting average, with two home runs and 50 runs batted in.
He was born in Saint-Mathias-sur-Richelieu, Quebec and later died in Highland Park, Michigan at the age of 70.
This biographical article relating to a Canadian baseball second baseman is a stub.