Shoitsu Omatsu (born June 16, 1982) is a Japanese former professional baseball player who primarily played as an outfielder. He spent his career in Nippon Professional Baseball (NPB), most notably with the Chiba Lotte Marines. Omatsu was known for his consistent hitting and reliable defense. He debuted in 2005 and played a key role in the Marines' 2006 Japan Series championship. After retiring in 2016, he transitioned into coaching and baseball commentary. His career statistics include over 800 games and more than 100 home runs.