John Marvin C. Nieto, popularly known as Yul Servo, is a Filipino actor and politician.
The second of eight children born in a Manila middle-class family, Nieto studied to become a policeman but was pushed into acting by an uncle. His stage name Yul Servo was chosen by director Maryo J. de los Reyes. Servo's films include Batang West Side (2001), Laman (2002), Naglalayag (2004), Torotot and Brutus (2008).
After serving three terms as a city councilor in Manila, Servo was elected to the House of Representatives of the Philippines in 2016, representing Manila's 3rd District.