Andrew Duncan is a Canadian television director and writer. He is most noted for his work on the television series Cloudy with a Chance of Meatballs, for which he and Johnny Darrell received a Canadian Screen Award nomination for Best Direction in an Animated Program or Series at the 6th Canadian Screen Awards in 2018, and as a cowriter with Darrell and Loretta Todd of the screenplay for the film Monkey Beach, for which they received a Canadian Screen Award nomination for Best Adapted Screenplay at the 9th Canadian Screen Awards in 2021.