| Champ: | Marcelo Arévalo Mate Pavić |
| Score: | 6–2, 6–4 |
| Draw: | 28 (3) |
| Seeds: | 8 |
| Before Name: | Western & Southern Open |
See main article: article and 2024 Cincinnati Open.
Marcelo Arévalo and Mate Pavić defeated Mackenzie McDonald and Alex Michelsen in the final, 6–2, 6–4 to win the men's doubles tennis title at the 2024 Cincinnati Open.
Máximo González and Andrés Molteni were the defending champions,[1] but lost in the first round to Hugo Nys and Jan Zieliński.
Marcel Granollers and Horacio Zeballos retained the ATP No. 1 doubles ranking after Matthew Ebden lost in the second round.
The top four seeds received a bye into the second round.
The following are the seeded teams. Seedings are based on ATP rankings as of 5 August 2024.
Sadio Doumbia / Fabien Reboul → replaced by 
Francisco Cerúndolo / Tomás Martín Etcheverry
Sebastian Korda / Ben Shelton → replaced by 
Julian Cash / Robert Galloway
Jiří Lehečka / 
Casper Ruud → replaced by Sadio Doumbia / Adrian Mannarino
Spain
India
Australia
Italy
Mexico
Finland