Carlos Alberto Menditéguy (10 August 1914 – 27 April 1973) was a racing driver and polo player from Buenos Aires, Argentina. He entered 11 Formula One World Championship Grands Prix, achieving one podium, and scoring a total of nine championship points. He led the 1956 Argentine Grand Prix for 38 laps until his driveshaft gave out.
In polo, Menditéguy reached the highest possible handicap of 10. He was an all round sportsman and became a scratch golf player in under two years as the result of a bet with some friends.
Menditéguy died on April 27, 1973, and was buried in La Recoleta Cemetery in Buenos Aires.
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