Koichi Sato (佐藤浩市 / SATO Koichi) is a Japanese actor. He was born on December 10, 1960 in Shinjuku, Tokyo. His father is actor Rentaro Mikuni.

• Blu-ray Release - Kamui: The Lone Ninja (Manga Entertainment UK) (posted on 6/9/2010)
• DVD Release - Kamui: The Lone Ninja (Manga Entertainment UK) (posted on 6/9/2010)
• Koki Mitani begins filming “Suteki na Kanashibari: Once in a Blue Moon” (posted on 6/2/2010)
• Teaser - Saigo no Chushingura [1:01] (posted on 4/22/2010)
• Koji Yakusho and Koichi Sato to star in new “Chushingura” film (posted on 11/3/2009)
• DVD Release - The Shonen Merikensack (Double Edge Entertainment / Bees Factory) (posted on 10/5/2009)
• DVD Release - Heartbreak Yakuza (Cinema Epoch) (posted on 8/31/2009)
• Trailer - Lone Wolf and Cub: Baby Cart in the Land of Demons [English-subtitled] [2:52] (posted on 8/25/2009)
• Second Trailer - Kamui [English-subtitled] [1:25] (posted on 8/20/2009)
• Trailer - Kamui [0:59] (posted on 5/9/2009)