Floyd Harvey Thomson (born June 14, 1949 in Sudbury, Ontario) is a Canadian former ice hockey player for the St. Louis Blues of the National Hockey League (NHL). An undrafted player, Thompson began his professional career with the International Hockey League's Fort Wayne Komets before signing with the Blues as a free agent in 1970. He played 411 NHL games, all with St. Louis, scoring 56 goals and 97 assists.