Yvonne M. Lopez is an American Democratic Party politician. A resident of Perth Amboy, she has represented the 19th Legislative District in the New Jersey General Assembly since taking office on January 9, 2018. She initially had been in the private sector, having served in the Community Relations department of Wachovia Bank, for 20 years from 1987 to 2007, where she became a vice-president.

Perth Amboy is a city in northeastern Middlesex County, in the U.S. state of New Jersey, within the New York metropolitan area. As of the 2020 United States census, the city's population was 55,436. Perth Amboy is known as the "City by the Bay", referring to its location adjoining Raritan Bay.