Robert Anderson "Bob" Crosby (February 27, 1897 – October 20, 1947) was a three-time World All-Around Champion (1925, 1927 & 1928) and permanent holder of the Roosevelt Trophy (on display at the National Cowboy Hall of Fame) in Oklahoma City, Oklahoma United States. The ProRodeo Hall of Fame inducted Crosby in 1983. Crosby was inducted into the Pendleton Round-Up and Happy Canyon Hall of Fame in 1974. Crosby was inducted into the Rodeo Hall of Fame of the National Cowboy and Western Heritage Museum in 1966.