Joselito Andrew "Jonjon" Roxas Mendoza (born November 10, 1962) is a Filipino politician and businessman who last served as the representative of Bulacan's 3rd district from 2010 to 2016. He previously served as Governor of Bulacan from 2007 to 2010. He ran for vice governor of Bulacan in 2022 but lost to Alex Castro.

Mendoza was born on November 10, 1962, in Bocaue, Bulacan. He completed his elementary and secondary education at St. Paul College of Bocaue. He earned his Bachelor of Science degree in Animal Husbandry at Gregorio Araneta University (now De La Salle Araneta University). He also attended the Strategic Business Economic Program at the University of Asia and the Pacific.^[1]

Mendoza is the Vice President for Sales and Marketing of J.M. Mendoza Enterprises beginning in 1999. Previously, he was the president of Freeway Motor Sales of Baliuag Corporation, a Mitsubishi Motors dealership in Baliuag, from 1992 to 1999.^[1]

Mendoza entered politics when he became the barangay captain of Barangay Duhat in Bocaue, Bulacan. He was also named as the Provincial President of Liga ng mga Barangay in Bulacan, thus earning him a seat at the Bulacan Provincial Board as an ex officio member representing such sector from 2002 to 2007.^[1]

He is the younger brother of Josefina Mendoza-dela Cruz, governor of Bulacan from 1998 to 2007. ^{[citation needed]}

He and his wife, Violeta, have a son, Josef Andrew T. Mendoza, known as Anjo Mendoza, who is a former councilor of Bocaue and ex-officio member of the Bulacan Provincial Board, representing the Philippine Councilors League in 2016.^{[citation needed]}