2019 Rakuten Japan Open Tennis Championships – Doubles

Doubles
2019 Rakuten Japan Open Tennis Championships
Champions Nicolas Mahut
Édouard Roger-Vasselin
Runners-up Nikola Mektić
Franko Škugor
Score7–6(9–7), 6–4

Ben McLachlan and Jan-Lennard Struff were the defending champions, but chose not to participate together. McLachlan teamed up with Luke Bambridge, but lost in the first round to Divij Sharan and Artem Sitak. Struff played alongside Lucas Pouille, but lost in the semifinals to Nikola Mektić and Franko Škugor.

Nicolas Mahut and Édouard Roger-Vasselin won the title, defeating Mektić and Škugor in the final, 7–6(9–7), 6–4.