|Full name||Geoffrey Masters|
|Born||19 September 1950|
|Turned pro||1969 (amateur tour from 1967)|
|Plays||Right-handed (one-handed backhand)|
|Highest ranking||No. 42 (5 March 1975)|
|Grand Slam Singles results|
|Australian Open||QF (1975)|
|French Open||2R (1970, 1971, 1972, 1973)|
|US Open||3R (1974)|
|WCT Finals||QF (1979)|
|Grand Slam Doubles results|
|Australian Open||W (1974)|
|French Open||QF (1976)|
|US Open||QF (1974)|
|Grand Slam Mixed Doubles results|
|US Open||W (1974)|
Geoff Masters (born 19 September 1950) is an Australian former tennis player. He was part of doubles winning pairs in the US Open, Australian Open and Wimbledon tournaments during the 1970s.
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.
Doubles (23 wins, 18 losses)
Post-tennis playing career
Masters can be heard calling Australian Open and Wimbledon matches for the Nine Network.