Charles Oliver "Barney" Carr (27 August 1897 – 19 January 1971) was an Australian rules footballer who played with St Kilda in the Victorian Football League during the 1920s.

Barney Carr
Personal information
Full name Charles Oliver Carr
Date of birth (1897-08-27)27 August 1897
Place of birth Port Melbourne, Victoria
Date of death 19 January 1971(1971-01-19) (aged 73)
Place of death Parkville, Victoria
Original team(s) Prahran (VFA)
Height 175 cm (5 ft 9 in)
Weight 75 kg (165 lb)
Playing career1
Years Club Games (Goals)
1921–1929 St Kilda 130 (5)
1 Playing statistics correct to the end of 1929.
Sources: AFL Tables, AustralianFootball.com

A centreman, Carr played 130 games with St Kilda and represented Victoria at interstate football on nine occasions. He won St Kilda's best and fairest in 1922 and was club captain during the latter part of the 1925 season.

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The Victorian Football League's Interstate team that drew with South Australia, in Adelaide, 13.10 (88) to 11.22 (88) on Saturday, 16 June 1928.
Back Row: Jack Moriarty, Albert "Leeter" Collier, Hugh Dunbar, Gordon "Nuts" Coventry, Bob Johnson, Jack Baggott.
Second Row: Jack Vosti, Charlie Stanbridge, Arthur Stevens, Alex Duncan, Dick Taylor, Ted Baker.
Front Row: Basil McCormack, Arthur Rayson, Alan Geddes (vice-captain), Syd Coventry (captain), Barney Carr, Arthur "Bull" Coghlan, Herbert White.