Adolfo Sousa Gregorio (born October 1, 1982) is an American soccer midfielder, who formerly played for Real Salt Lake of Major League Soccer. Gregorio was part of the original 1999 class at the Bradenton Academy, whereas part of the Under-17 United States national team. He played for his country at the 1999 Under-17 World Cup in New Zealand and also represented the U.S. on the Under-20 level. Gregorio was released by Real Salt Lake during the 2006 preseason.