| Gagetown-Petitcodiac | |
| Province: | New Brunswick |
| Coordinates: | 45.929°N -65.654°W |
| Prov-Status: | defunct |
| Prov-Created: | 2013 |
| Prov-Abolished: | 2023 |
| Prov-Election-First: | 2014 |
| Prov-Election-Last: | 2020 |
| Demo-Census-Date: | 2011 |
| Demo-Pop: | 15948 |
| Demo-Electors: | 11131 |
| Demo-Electors-Date: | 2013 |
| Demo-Cd: | Albert, Westmorland, Kings, Queens, Sunbury |
Gagetown-Petitcodiac was a provincial electoral district for the Legislative Assembly of New Brunswick, Canada. It was first contested in the 2014 general election, having been created in the 2013 redistribution of electoral boundaries.
The district ran from the boundaries of the town of Oromocto to those of the city of Moncton along New Brunswick Highway 2, and includes only small municipalities and unincorporated communities. It drew significant population the former districts of Petitcodiac, Grand Lake-Gagetown, Oromocto, Kings East and Hampton-Kings.