Harold J. Wirths (born April 5, 1965) is an American Republican politician who has served in the New Jersey General Assembly since 2018, representing the 24th Legislative District. He previously served as Commissioner of the New Jersey Department of Labor and Workforce Development from May 24, 2010 to August 1, 2016, appointed by former Governor Chris Christie in 2010. Wirths has served in the General Assembly since 2020 as the Minority Budget Officer.