Ichiko (written: 一子, 市子, 伊知子, 以知子 or イチコ in katakana) is a feminine Japanese given name. Notable people with the name include:
* , Japanese singer-songwriter
* , Japanese singer-songwriter
* , Japanese musician, composer and singer
* , Japanese volleyball player
* , Japanese journalist, feminist, writer, translator, and critic.
* , Japanese J-Pop singer who was part of the group
Aurora Gonin Musume
Fictional characters
* , a character in the anime OVA ''Munto''
* , protagonist of the manga series ''
Binbō-gami ga!''
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Japanese feminine given names
Feminine given names