Maxwell Vanstone Isaac (1 May 1924 – 23 February 2011) was an Australian rules footballer who played for the Footscray Football Club in the Victorian Football League (VFL).
Born in Ballarat, Victoria, Isaac stood 175 cm (5 ft 9 in) tall and weighed 80 kg (176 lb). He played as a forward, wearing jumper number 26 throughout his career. Isaac debuted for Footscray at the age of 23 and played a total of 26 games for the club across the 1947–1950 and 1952 seasons, scoring 10 goals. His original team was Footscray Tech Old Boys.
Isaac's VFL career spanned from 1947 to 1952, after which he retired from professional football. He died on 23 February 2011 at the age of 86.
