Rupert John McDonald (17 March 1910 – 6 November 1969) was an Australian rules footballer who played with Geelong in the Victorian Football League (VFL).
McDonald was a half-back from Winchelsea, who played as a flanker in Geelong's 1931 premiership team.
The 1931 VFL Grand Final was one of 10 finals that McDonald played during his seven-season career and he also played in a losing grand final the previous year.
From 1930 to 1933 he put together 49 games in a row and played his 100th league match in Geelong's preliminary final loss to South Melbourne in 1934.