Yoshiko Iwata (岩田 良子, Iwata Yoshiko, born 27 March 1971) is a former Japanese badminton player from the Yonex team.

Iwata graduated from the Shijonawate Gakuen Junior College.

she competed at the Summer Olympics in Sydney, Australia.

[1][2] Iwata was the women's doubles champion at the National Championships in 1996 and 1998.

She won some international tournament in Australia, Cuba, Guatemala, and Carebaco in 2003, also in Peru in 2004.