Mervyn Brian Muggleton (born 4 September 1941), known as Brian Muggleton to differentiate him from his father, is a former Australian cricketer and baseball player. The son of Merv Muggleton, who had played baseball for Sturt and South Australia, Muggleton was born in Adelaide, South Australia, but moved with his family to Perth, Western Australia, in 1949, after his father was transferred.