The Cooper T23 was a Formula 2 racing car built by the British Formula 1 team Cooper in 1953.
The T23, which was also known as the Cooper-Bristol MKII, was a single seater racing car. The car had a light tubular frame and a body that was built with aerodynamic considerations. The engine was air cooled through two cooling blocks have been mounted in the front end. The exhaust gases were discharged laterally by two pipes.
For Stirling Moss, a unique De Dion rear axle and Alta engine was added.
The car was overall a failure.