The Cooper T77 is a single-seater Formula 1 car that was driven in World Championship Formula 1 during 1965 by Bruce McLaren and Jochen Rindt on behalf of the Cooper Car Company.
In 1965, Bruce McLaren finished ninth in the championship with 10 points, ahead of Jack Brabham and behind Mike Spence. Jochen Rindt finished thirteenth with four points, followed by Pedro Rodriguez and behind Joseph Siffert. The Cooper Car Company finished fifth with 14 points ahead of Honda Racing F1 Team and behind Scuderia Ferrari.
In 1968, Silvio Moser participated in the Grand Prix of Great Britain with a Cooper T77, he did not finish the race due to a problem with the oil pressure.