John Bye Durnford Marlow (1829 – 27 February 1903) was an officer in the paramilitary Native Police force in the British colony of Queensland. He served in this corps for fourteen years and was stationed at frontier sites such as the Maranoa Region, Port Denison and on the Burdekin River. Marlow, by leading armed escorts of troopers, was also intrinsically involved in the expeditions which led to the establishment of the towns of Cardwell and Townsville.