William Archibald Robertson (1832[1] – June 23, 1926[2]) was a prospector and Scottish-born political figure in British Columbia.

He represented Victoria District in the Legislative Assembly of British Columbia from 1874 until his retirement at the 1875 provincial election.

He was born in Perthshire, the son of Alexander Robertson,[3] and came to Upper Canada in 1834 with his family.

After being captured and paroled, he resigned his commission and moved to British Columbia, settling in Victoria.

This article about a Member of the Legislative Assembly of British Columbia is a stub.