John en Marsha was a Philippine television sitcom that aired on the Radio Philippines Network (RPN) from May 1973 to July 30, 1990. Created by Adíng Fernando, the series starred Dolphy, Nida Blanca, Rolly Quizon, Dely Atay-Atayan and Maricel Soriano.

Rodolfo Vera Quizon Sr., known professionally as Dolphy, was a Filipino comedian and actor. He is widely regarded as the country's "King of Comedy" for his comedic talent embodied by his long roster of works on stage, radio, television and movies.