William "Digger" Roderick Robertson (6 October 1861 – 24 June 1938) was an Australian cricketer who played in one Test match in 1885.

A native of the New South Wales town of Deniliquin, near the Victoria border, Digger Robertson was a right-handed batsman with a leg break bowling style.

[2] After an altercation with his East Melbourne captain Harry Boyle, Robertson moved to San Francisco, where he played for three turn-of-the-century California Cricket Association league clubs.

He scored one of the first centuries in California cricket history and played against the 1896 Australian Test side at the Presidio ground.

[3] He returned to Australia in 1899, and played successfully for many years for St Kilda Cricket Club in Melbourne.