Leopold Adolph Emile Reise, Sr. (June 1, 1892 – July 8, 1975) was a Canadian hockey player who played 8 seasons in the National Hockey League for the Hamilton Tigers, New York Americans and New York Rangers. Prior to turning professional in 1920 he played several years for the amateur Hamilton Tigers, joining the professional version when they started and staying for four seasons. He also spent three seasons with the Saskatoon Crescents of the Western Canada Hockey League, and returned to the NHL in 1926 with the New York Americans, spending four seasons with them before finishing his time in the NHL with the New York Rangers. Reise spent two additional seasons in the minor International Hockey League before retiring in 1932. His son, Leo Reise, Jr., would also play in the NHL.