Ian Jack Hilsum (born 29 December 1981 in Newport, Isle of Wight) is a former English cricketer. Hilsum was a right-handed batsman who bowled Leg break. Hilsum made a single List-A appearance for the Hampshire Cricket Board in the 2000 NatWest Trophy against the Huntingdonshire. In 2002 Hilsum made his first-class debut for Oxford University, where he played two matches against Northamptonshire and Gloucestershire.