2024 Japan Open Tennis Championships – Doubles
| Doubles | |
|---|---|
| 2024 Japan Open Tennis Championships | |
| Champions | Julian Cash Lloyd Glasspool |
| Runners-up | Ariel Behar Robert Galloway |
| Score | 6–4, 4–6, [12–10] |
Julian Cash and Lloyd Glasspool defeated Ariel Behar and Robert Galloway in the final, 6–4, 4–6, [12–10] to win the doubles tennis title at the 2024 Japan Open Tennis Championships.
Rinky Hijikata and Max Purcell were the reigning champions, but Purcell chose not to participate this year. Hijikata partnered with Alexei Popyrin, but lost in the first round to Hugo Nys and Jan Zieliński.