Taeko
Taeko is a Japanese female given name. 
It can have various meanings depending on the Kanji used. Possible writing include:
妙子 "mysterious child"
多恵子 "many blessings, child"

People
Taeko Fukao, Japanese jazz singer
Taeko Hattori (b. 1949), a Japanese stage, film, and television actress
Taeko Ishikawa (b. 1975), Japanese softball player
Taeko Kawasumi (b. 1972), Japanese football player
Taeko Kawata (b. 1965), a Japanese voice actress
Taeko Kono (b. 1926), a Japanese novelist and essayist
Taeko Kubo (b. 1949), Japanese diver
Taeko Kunishima, Japanese jazz pianist
Taeko Kuwata (b. 1945), half of the classical piano duo Duo Crommelynck
Taeko Nakanishi (b. 1931), a Japanese voice actress
Taeko Namba, a Japanese table tennis player
Taeko Onuki (b. 1953), a Japanese singer
Taeko Oyama (b. 1974), Japanese basketball player
Taeko Takeba (b. 1966), Japanese trap shooter
Taeko Todo (b. 1968), Chinese-born table tennis
Taeko Tomioka (b. 1935), a Japanese writer
Tomiyama Taeko (1921–2021), Japanese visual artist
Taeko Udagawa (b. 1960), Japanese anthropologist
Taeko Watanabe (b. 1960), a Japanese manga artist

Fictional
Makioka Taeko in The Makioka Sisters (novel) by Jun'ichirō Tanizaki
Taeko, the main character in the 1991 Studio Ghibli film Only Yesterday
Taeko Hiramatsu, a character in the light novel series Kore wa Zombie Desu ka?
Taeko Minazuki, a character in the series Ai Yori Aoshi
Taeko Ishiki, captain of Nadeshiko Japan in Area no Kishi
Taeko Yasuhiro, aka Celestia Ludenberg, a student in Danganronpa: Trigger Happy Havoc
Taeko Takeda, one of the major characters in the 2014 series of novels 'The Desolate Tree' by Raphael Sangorski
Hirata Taeko, character in Laura Joh Rowland's Sano Ichiro series. Daughter of Sano's chief retainer Hirata and his wife Niu Midori, conceived out of wedlock, makes first appearance in "The Dragon King's Palace".
Taeko Yamada, a female version of Taro Yamada in Yandere Simulator