Derbyshire County Cricket Club in 1965 was the cricket season when the English club Derbyshire had been playing for ninety-four years.
It was the third season in which the Gillette Cup was played, and Derbyshire reached the second round.
Philip Russell and David Smith were both promoted from the second XI for games at the end of the season.
Russell played steadily for the club for many years.
Smith became a high scorer for the club over four later seasons.