Keiko Horiuchi (堀内敬子, Horiuchi Keiko, May 27, 1971) is a Japanese actress from Fuchu City, Tokyo. She is affiliated with Cube. Formerly, she was a member of Gekidan Shiki (劇団四季, Theater Company Shiki).

• 僕の初恋をキミに捧ぐ (2009)

  
• 横道世之介 (2013)

  
• 永い言い訳 (2016)

  
• 高台家の人々 (2016)

  
• アゲイン 28年目の甲子園 (2015)