Ikuko Shimizu (; 2 October 189224 June 1964) was a Japanese Christian feminist and educator.
Ikuko Koizumi was born on 2 October 1892 in Matsue, Shimane Prefecture.
Shimizu graduated from Oberlin College in 1927 with a bachelorâÂÂs degree in divinity and earned a masterâÂÂs degree in education from the University of Michigan the following year.