Brian Hedley "Bill" Leak (5 May 1917 – 12 January 2007) was an Australian sportsman who represented South Australia in bothAustralian rules football and cricket. Leak, who was born in Adelaide and educated at Scotch College, lost some of his best sporting years to the war. In the 1930s and early 1940s, Leak represented the South Australian cricket team in eight first-class matches and played for Sturt at district level. He played as a batsman and was an outstanding fielder, winning the Talbot Smith Medal in 1939/40.