Graeme Arthur Gahan (10 January 1942 – 23 February 2018) was an Australian rules footballer who played with Richmond in the Victorian Football League (VFL). Used mostly as a half back, Gahan spent eight seasons at Richmond. He moved to Tasmania in 1967, captain-coaching Scottsdale. An Orchard Trophy winner in his first year, Gahan steered Scottsdale to a Northern Tasmanian Football Association premiership in 1968. The following season he crossed to Glenorchy as coach and they finished fifth in both of his years in charge.