Ronwaldo Martin (born Ronwaldo Pacheco Nacianceno on 14 July 1997) is a Filipino actor, brother of actor-director Coco Martin. He is best known for his roles in the films Ari: My Life With A King (2015), Pamilya Ordinaryo (2016), and Apag (2022). He won the Best Actor trophy at the Harlem International Film Festival for his portrayal in Pamilya Ordinaryo.