Roderick McCulloch McKenzie (16 September 1909 – 24 March 2000) was a New Zealand rugby union player. A flanker and lock, McKenzie represented Manawhenua and Manawatu at a provincial level, and was a member of the New Zealand national side, the All Blacks, from 1934 to 1938. He played 35 matches for the All Blacks—three of which were as captain— including nine internationals. McKenzie died in Auckland on 24 March 2000, and was buried at Kelvin Grove Cemetery in Palmerston North.