Billiam van Roestenberg (born 1965) is an American political activist, former model, philanthropist, and organic farmer. Van Roestenberg was a member of the first same-sex couple to be married in New York State, one of many weddings conducted February 2004 in New Paltz, New York. He ran unsuccessfully for Ulster County Legislature in 2005 on the Democratic ticket. He is a community farm activist, maintaining one of the many organic apple orchards in New York State, which was nominated for the "Top Ten Apple Picking Farms in America".