- Name: 佐藤寛子 (さとう ひろこ)
- Name (romaji): Sato Hiroko
- Profession: Actress, singer, and Japanese Idol
- Birthdate: 1985-Feb-17 (age 29)
- Birthplace: Fukushima, Japan
- Height: 160cm
- Star sign: Aquarius
- Blood type: O
- Talent agency: BESIDE Inc.
Sato Hiroko began her career in acting in 2002 in a low budget movie called "Scare", releasing her first photobook Peekaboo and her first Idol movie First Touch. In 2004 she starred in a horror movie "Cursed" that was released both locally in Japan and in the United States. In 2009 she had a role in a movie Asuka pairs of flowers NEO using her Kendo skills and later in 2009 starred as the heroine Chisato in an action movie called GAME☆ACTION again making good use of her martial arts skills. Between movies she performed in a live theatre production an anime fantasy Secret Akko Chan, an adaption of Himitsu no Akko-chan by Fujio Akatsuka at the Storehouse Theatre in Tokyo in July 2009.
The short movie is where Hiroko Sato played every role in an imaginary television station from the blonde weather girl to the newsreader and roving interviewer as well as performing the "Can't Hide" single as part of the movie.
- VISION Koroshi ga Mieru Onna (YTV, 2012, ep3)
- FACE MAKER (NTV, 2010, ep3)
- Kamen Rider Decade (TV Asahi, 2009, ep1-3, 12-)
- Coin Locker Monogatari (TV Asahi, 2008, ep3)
- Shinuka to Omotta (NTV, 2007, ep7)
- Honto ni Atta Kowai Hanashi Mayonaka no Byoto (Fuji TV, 2007)
- Tokumei Kakarichou Tadano Hitoshi 3 guest (TV Asahi, 2007)
- Ichiban Kurai no wa Yoake Mae (TV Tokyo, 2006)
- Fugoh Keiji 2 (TV Asahi, 2006, ep4)
- Ai no Uta (NTV, 2005)
- Division 1 Kareshi Sensei (Fuji TV, 2005)