Longstreth is a surname. Notable people with the surname include: Alec Longstreth (born 1979), comics creator and illustrator Bevis Longstreth, retired lawyer and former Commissioner of the United States Securities and Exchange Commission David Longstreth (born 1981), American singer and musician Jake Longstreth (born 1977), American painter and radio personality Richard Longstreth (born 1946), architectural historian and a professor at George Washington University Thacher Longstreth (1920–2003), Republican member of the Philadelphia City Council