Robert Mackenzie is an Australian supervising sound editor. He is best known for his work on Animal Kingdom (2010), The Hunter (2011), Lore (2012), Felony (2013), The Grandmaster (2013), The Rover (2014), Deadline Gallipoli (2015), Partisan (2015), Lion and critically acclaimed war-drama film Hacksaw Ridge for which he received two Academy Award nominations at 89th Academy Awards, including Academy Award for Best Sound Editing, and Academy Award for Best Sound Mixing (both shared with Andy Wright).