| Conflict: | Battle of Kaipiais |
| Partof: | the Russo-Swedish War (1788–90) |
| Date: | July 15, 1789 |
| Place: | Kaipiais, Finland |
| Result: | Russian victory |
| Combatant1: |  Sweden |
| Combatant2: | Russian Empire |
| Commander1: | Lars Fredrik von Kaulbars |
| Commander2: | Fedor Denisov |
| Strength1: | 2,300 men |
| Strength2: | 4,000 men |
| Casualties1: | 265 killed, wounded and captured |
| Casualties2: | Unknown |
The Battle of Kaipiais took place on July 15, 1789 during Russo-Swedish War (1788–90), between Sweden and the Russian Empire. The Swedes lost the battle and had to withdraw with a loss of 265 men.