| Champ: | Raven Klaasen Marcelo Melo |
| Runner: |  Juan Sebastián Cabal Robert Farah |
| Score: | 7–6(7–5), 3–6, [10–7] |
| Type: | singles doubles |
See main article: 2015 Rakuten Japan Open Tennis Championships. Pierre-Hugues Herbert and Michał Przysiężny were the defending champions, but Prysiężny chose not to participate. Herbert played alongside Nicolas Mahut, but lost in the quarterfinals to Aisam-ul-Haq Qureshi and Gilles Simon.
Raven Klaasen and Marcelo Melo won the title, defeating Juan Sebastián Cabal and Robert Farah in the final, 7–6(7–5), 3–6, [10–7].
