Geoffrey "Geoff" Clarkson (12 August 1943 – 10 July 2001) was an English rugby union, and professional rugby league footballer who played in the 1960s, 1970s and 1980s.
He played representative level rugby union (RU) for Yorkshire, and at club level for Wakefield RFC, and representative level rugby league (RL) for Yorkshire, and at club level for Wakefield Trinity (Heritage ? 713) (two spells), Bradford Northern (Heritage ?) (two spells), Leigh (Heritage ? 779) (two spells), Warrington (Heritage ? 717), Leeds (Heritage ?), York, Bramley, Hull Kingston Rovers (Heritage ?), Oldham (Heritage ?) and Featherstone Rovers (Heritage ? 598), as a second-row, i.e.
number 11 or 12, during the era of contested scrums.