Romeo John Gonzales Arcilla (born June 24, 1966) is a Filipino film and television actor. He is best known for playing the titural role in Heneral Luna (2015), the film selected as the Philippine entry for the Best Foreign Language Film at the 88th Academy Awards. From 1991 to 1997, Arcilla was a resident actor and senior member of the Tanghalang Pilipino Actor Company, the resident theatre of the Cultural Center of the Philippines.

In 2012, Arcilla had a cameo in The Bourne Legacy as a head security guard. The following year, Arcilla also appeared in Metro Manila, the British entry for Best Foreign Language Film at the 86th Academy Awards. In 2021, he was awarded the Volpi Cup for Best Actor at the Venice International Film Festival for his role in On the Job: The Missing 8, making him the first Filipino and Southeast Asian actor to receive the award. He also received the Best Actor award at the Gawad Urian Awards in 2022 for the same role. He is a two-time Gawad Urian winner and a two-time FAMAS nominee.