| Conflict: | Action of 27 August, 1661 |
| Partof: | Cretan War (1645-1669) |
| Date: | 27 August 1661 |
| Place: | Milos, Greece |
| Result: | Venetian-Hospitaller victory |
| Combatant1: | Knights Hospitaller |
| Commander1: | Giorgio Morosini Ruffo |
| Commander2: | Unknown |
| Strength1: | 20 galleys 2 galleasses |
| Strength2: | 36 galleys |
| Casualties1: | unknown |
| Casualties2: | 5 galleys sunk 4 galleys captured |
Action of 27 August 1661 was a naval battle that took place on 27 August 1661 near Milos, Greece between the Republic of Venice and the Knights Hospitaller over the Ottoman Empire.
36 galleys - 5 sunk, 4 captured
The result was a victory for Venice and Malta over the Ottoman Empire.