Sachio Sakai (堺 左千夫, Sakai Sachio, September 8, 1925 - March 11, 1998), real name Yukio Abe (阿部 幸男, Abe Yukio), was a Japanese actor. Sakai was the son of an electrician and later graduated from Tokyo City Asakusa Technical College. In 1946, Sakai entered and passed the first Toho New Face program and had his first film appearance under the studio in 1947 in Akira Kurosawa's "One Wonderful Sunday". Sakai would go on to appear in numerous films by the studio, including many directed by Kurosawa, Kihachi Okamoto, and Ishiro Honda.