Pedro Julio Astacio (born November 28, 1968) is a former Major League Baseball pitcher. He has played for the Los Angeles Dodgers (1992-1997), Colorado Rockies (1997-2001), Houston Astros (2001), New York Mets (2002-2003), Boston Red Sox (2004), Texas Rangers (2005), the San Diego Padres (2005) and the Washington Nationals (2006). In 2007, Astacio signed a contract with the Nationals' Triple-A affiliate, the Columbus Clippers, but they released him in May.