Yoshiko Mibuchi (?? ??, Mibuchi Yoshiko, 13 November 1914 – 28 May 1984) (her name is sometimes misread as Yoshiko Sanfuchi) was a Japanese lawyer and judge.
She was one of the first three women admitted to the bar in Japan; the three (also including Ai Kume and Masako Nakata) were all admitted in 1940.She became a judge in 1949.