William George Agar (7 October 1902 – 17 July 1966) was a rugby league footballer in Australia's leading competition - the New South Wales Rugby League (NSWRL).George Agar played 18 matches for the Eastern Suburbs club in the 1923–24 seasons.
A Winger, George Agar played in the 1923 premiership winning side.
As a junior, Agar was also a member of the Eastern Suburbs side that won the presidents Cup in 1922 and is recognised as that club's 123rd player.