Lieutenant-General William Charles Leach CMM, CD (November 6, 1942 – April 1, 2015) was the Chief of the Land Staff of the Canadian Forces.

[1][2] Leach graduated from the Royal Military College of Canada with a degree in Economics and Commerce in 1965 and was commissioned into the Canadian Army.

[4] From 1977 he worked in a series of senior administrative and finance positions at National Defence Headquarters[3] and from 1987 he held various supply and logistics appointments there.

[6] Leach was also on the Executive Committee of the Military Families Fund and was the Colonel Commandant of the Logistics Branch of the Canadian Armed Forces.

[6] He was married to Canadian artist Mary Louise Leach, who died in 2003; Both he and his wife are buried at The National Military Cemetery at Beechwood.