| Conflict: | Battle of Lacolle |
| Date: | November 7, 1838 |
| Place: | Lacolle, Quebec |
| Result: | Loyalist victory |
| Combatant1: | Lower Canada |
| Combatant2: | Patriotes |
| Commander1: | John Scriver |
| Commander2: | Ferdinand-Alphonse Oklowski |
| Strength1: | 400 Loyalists |
| Strength2: | 170 Patriotes |
| Casualties1: | 2 dead |
| Casualties2: | 8 dead |
The Battle of Lacolle was fought on November 7, 1838, between Loyal Lower Canada volunteer forces under Major John Scriver and Patriote rebels under Colonel Ferdinand-Alphonse Oklowski. On November 6, on their way to Lacolle, the Patriote rebels had won a first skirmish, but they lost in the final confrontation the next day. The battle lasted half an hour.