See main article: 2015 Japan Women's Open.
Shuko Aoyama and Renata Voráčová were the defending champions, but Voráčová chose not to participate. Aoyama partnered Makoto Ninomiya, but they lost in quarterfinals to Chuang Chia-jung and Liang Chen.
Chan Hao-ching and Chan Yung-jan won the title, defeating Misaki Doi and Kurumi Nara in the final, 6–1, 6–2.