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.