Roy Arthur Hardgrave (28 July 1906 – February 1982) was a rugby league player. He represented New Zealand rugby league team in 3 tests in 1928. In the process he became the 189th player to represent New Zealand. Hardgrave also played for Newton Rangers, St Helens (Heritage No. 379), Mount Albert United, York, and Toulouse rugby league clubs, along with the North Island, and Auckland representative sides. His father Arthur Hardgrave also represented New Zealand from 1912 to 1914.