William Henry Sinclair

William Henry Sinclair, (February 8, 1864 – September 27, 1902) was a Canadian politician. He served on the Legislative Assembly of the Northwest Territories for Saskatoon in 1902.

He was elected in 1902 to the Legislative Assembly of the Northwest Territories, and served until his death on September 27, 1902, in a hunting accident which he accidentally shot himself while stowing his gun away.