Jason Day (Lima, July 8, 1985) is a Peruvian actor.

He trained as an actor under teachers such as Ron Burrus, from the "Ron Burrus Studio" in Los Angeles and Deborah Aquila, from the "Aquila Morong Studio" in Los Angeles, California. He also studied film direction at the Universidad del Cine in Buenos Aires. In 2005 he stood out in his first film appearance in "Mañana te cuento", directed by Eduardo Mendoza. A year later he starred in the series "Esta sociedad". In 2008, he appeared in the films "Dioses" under the direction of Josué Méndez, and "La gran sangre: La Película" by director Jorge Carmona del Solar. He then starred in the film "Máncora", alongside Elsa Pataky and Enrique Murciano; a Spanish-American production filmed in Peru and directed by Ricardo de Montreuil. It premiered at the Sundance and Cannes Film Festivals. In 2012, he premiered the independent film "30 Beats" in New York, where he shared roles alongside Lee Pace, Justin Kirk and Jennifer Tilly. This film directed by British-French Alexis Lloyd, is his first co-lead role in an American film. He then participated in the Fox series recorded in Bogotá and Miami "El Capo 2", for Mundo Fox and RCN Televisión.

He starred in the film "Atacada", by Aldo Miyashiro, the television series "Venganza", a Latin American remake of the successful ABC Revenge, participated in the futuristic FOX Latin America series "2091", and is the protagonist of "Jugar con fuego", a production by Telemundo and O'Globo that is also broadcast on Netflix. In 2022, he participated in the series "El Inmortal", a production by Movistar+, DLO Producciones and Telemundo Global Studios for Movistar+ and Peacock.

He directed the short film "La Revelación", which won him a Cannes Film Festival award. He is also a renowned human rights activist in Peru and has been a weekly columnist for the newspaper La República.