Robert Lawrence "Bob" Wilkie (3 July 1920 – 9 September 2001) was an Australian rules footballer who played with St Kilda in the Victorian Football League (VFL).
In 1940 he weighed just 9 stone 6 pounds (60 kilograms) and was regarded as the lightest player in the league.During World War II he served with the RAAF.
In 1946 he married Dorothy Meehan, whose brothers, Jack and Tom, also played for St Kilda.
He later held various coaching and administrative posts at the St Kilda club.
His full-time job was with the Herald Sun newspaper.