Orlando Luis Merced Villanueva (born November 2, 1966 in Hato Rey, Puerto Rico) is a former Major League Baseball first Baseman and outfielder.
He played all or part of thirteen seasons in the majors for the Pittsburgh Pirates (1990–1996), Toronto Blue Jays (1997), Minnesota Twins (1998), Boston Red Sox (1998), Chicago Cubs (1998), Montreal Expos (1999), and Houston Astros (2001–2003).
He also played one season for the Orix BlueWave (2000) in Japan.
He is currently the hitting coach for the Jamestown Jammers.