David Rory Ellison (born 22 October 1980) is an Irish cricketer. Ellison is a right-handed batsman who bowls right-arm off break. He was born in Belfast, Northern Ireland. Ellsion represented the Essex Cricket Board in a single List A match against the Sussex Cricket Board in the 1st round of the 2002 Cheltenham & Gloucester Trophy which was held in 2001. In his only List A match, he took a single wicket at a cost of 48 runs. He currently plays club cricket for in the Essex Premier League.