Eugene Anthony Delgaudio is an American politician. In 1981, he started Public Advocate of the United States, a conservative activist group known for its street theater, tax protests, and anti-LGBTQ+ efforts. He represented the Sterling District on the Board of Supervisors of Loudoun County, Virginia, from January 2000 to January 2016. In 2002, The Washington Post said, "Delgaudio has become a leader in the nation's anti-gay rights movement". A 2003 book called him "one of the key leaders" in the conservative view of "moral health".