Rob Zerban (born June 27, 1968) is an American entrepreneur and political activist. He ran as a Democratic candidate for the U.S. House of Representatives in Wisconsin's 1st congressional district in 2012 and 2014, challenging incumbent Republican Paul Ryan, but lost both races. Zerban focused his campaigns on middle-class economic issues, healthcare reform, and job creation. Known for his grassroots approach and advocacy for working families, he remains active in business and community service.