| Conflict: | Action of 7 July 1565 |
| Partof: | Northern Seven Years' War |
| Date: | 7 July 1565 |
| Place: | Baltic Sea near Bornholm |
| Result: | Swedish victory |
| Combatant1: |  Sweden |
| Combatant2: | Denmark–Norway Lübeck |
| Commander1: | Klas Horn |
| Commander2: | Otte Rud |
| Strength1: | 49 ships |
| Strength2: | 36 ships |
| Casualties1: | 3 ships lost 362 dead 523 wounded |
| Casualties2: | 3 ships lost Approximately 4,000 dead and wounded |
This battle in the Northern Seven Years' War took place on 7 July 1565 and was a decisive victory for a Swedish fleet of 49 ships, under Klas Horn, over a combined Danish and Lübecker fleet of 36 ships, under Otte Rud.
The Danish Dans Christopher was sunk and Trolle drowned but some of her survivors boarded and captured the small Swedish ship St Goran. The Swedish Grip was rammed and sunk by a larger Lübeck ship, which also sank as a result. After the Swedish ship Gyllende Lejon caught fire the fleets scattered, leaving the Danish flagship, Jegermesther, unsupported and she was captured at about . After this the Allies returned to Copenhagen, and the Swedes to Dalarö. Swedish vice-admiral Sten Sture and his captain, Baner, were killed.