Mitsuko is a feminine Japanese given name.
The name Mitsuko is generally written with the kanji characters 光 and 子 which, when translated into English can mean "light, child" or "shining, child". However Mitsuko can have different meanings depending on which kanji characters are used to write the name. Some possible variations of the name Mitsuko are:
光子, "light, child"
充子, "provide, child"
満子, "satisfy/full, child"
睦子, "harmonious/intimate/friendly, child"
三子, "third child"
密子, "carefulness/secrecy, child"
蜜子, "honey/nectar/molasses, child"
Mitsuko Baisho (倍賞 美津子 Baishō Mitsuko), a Japanese actress
Mitsuko Coudenhove (クーデンホーフ 光子 Kūdenhōfu Mitsuko), the mother of Richard von Coudenhove-Kalergi
Mitsuko Horie (堀江 美都子 Horie Mitsuko), a Japanese singer and voice actress
Mitsuko Shiga (四賀 光子 Shiga Mitsuko, 1885-1976), a Japanese tanka poet
Mitsuko Mito (水戸光子 Mito Mitsuko, 1919–1981), a Japanese actress
Mitsuko Mori (森 光子 Mori Mitsuko, 1920-2012), a Japanese actress
Mitsuko Uchida (内田 光子 Uchida Mitsuko), Japanese naturalized-British classical pianist
Mitsuko Yoshikawa (吉川 満子 Yoshikawa Mitsuko, 1901-1991), a Japanese actress
Mitsuko Komyoji, a central character in the Android Kikaider manga and anime series
Mitsuko Souma, a central character in the Battle Royale novel, film, and manga
Mitsuko the Boar, a character from the Bloody Roar video game series
Mitsouko Yorisaka, a character in Claude Farrère's novel La Bataille, and the namesake of Guerlain's perfume "Mitsouko"
Mitsuko Krieger, a character in Archer (TV series), the holographic anime-style "wife" of Algernop Krieger.
