2016 Western & Southern Open – Men's singles
| Men's singles | |
|---|---|
| 2016 Western & Southern Open | |
| Champion | Marin Čilić |
| Runner-up | Andy Murray |
| Score | 6–4, 7–5 |
| Draw | 64 (7Q / 4WC) |
| Seeds | 16 |
Marin Čilić defeated Andy Murray in the final, 6–4, 7–5 to win the men's singles tennis title at the 2016 Cincinnati Masters. It was his maiden Masters 1000 title, ending a streak of 18 consecutive Masters events won by a member of the Big Four.
Roger Federer was the two-time reigning champion, but withdrew due to a knee injury.