Reinaldo Tsuguio Sato (Jiro) (born October 25, 1980) is a Brazilian baseball designated hitter. He plays for the Yamaha club in the Japanese Industrial League. He was signed by the Yakult Swallows and played from 1999-2003 when he was released. He has played in the industrial leagues since then. He represented Brazil at the 1999 Pan American Games, 2003 Baseball World Cup, 2005 Baseball World Cup, 2007 Pan American Games, 2008 Olympics qualifying rounds and 2013 World Baseball Classic.