Geoff Masters (born 19 September 1950) is an Australian former tennis player.

Born in Brisbane, Queensland, Masters with Pam Teeguarden won the mixed doubles at the US Open in 1974.

That year he also won the Australian Open's men's doubles with Ross Case.

With the same partner Masters won the gentleman's doubles at Wimbledon in 1977.

[1] Masters can be heard calling Australian Open and Wimbledon matches for rights holder the Nine Network in Australia.