2018 Western & Southern Open – Men's doubles
| Men's doubles | |
|---|---|
| 2018 Western & Southern Open | |
| Champions | Jamie Murray Bruno Soares |
| Runners-up | Juan Sebastián Cabal Robert Farah |
| Score | 4–6, 6–3, [10–6] |
| Draw | 24 (2 WC ) |
| Seeds | 8 |
Pierre-Hugues Herbert and Nicolas Mahut were the defending champions, but Herbert chose not to participate this year. Mahut played alongside Édouard Roger-Vasselin, but they lost in the second round to Philipp Kohlschreiber and Fernando Verdasco.
Jamie Murray and Bruno Soares won the title, defeating Juan Sebastián Cabal and Robert Farah in the final, 4–6, 6–3, [10–6].