| Kostopil urban hromada | |
| Native Name: | Костопільська міська громада |
| Native Name Lang: | uk |
| Settlement Type: | Hromada |
| Pushpin Map: | Ukraine Rivne Oblast#Ukraine |
| Coordinates: | 50.8831°N 26.4461°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Ukraine |
| Subdivision Type1: | Oblast (province) |
| Subdivision Type2: | Raion (district) |
| Subdivision Name2: | Rivne Raion |
| Elevation M: | 182 |
| Area Total Km2: | 653.4 |
| Population Total: | 44042 |
| Population As Of: | 2022 |
| Population Density Km2: | auto |
| Established Date: | 2020 |
| Seat: | Kostopil |
| Seat Type: | Administrative center |
Kostopil urban territorial hromada is a hromada located in the Rivne Oblast of western Ukraine. Its seat of government is the city of Kostopil. The hromada currently covers an area of 653.4 square kilometers, and has a total population of 44,042 (2022 est.)[1]
Kostopil urban hromada has a humid continental warm summer climate (Dfb). It sees the least rainfall in February, with an average precipitation of 42 mm; and the most in July, with 107 mm of average rainfall.
The hromada comprises one city, Kostopil, and the following 29 villages:
Since 1939, this region had been a part of Kostopil Raion. On 12 June 2020, the government of Ukraine approved Decree No. 722-r, which reformed the administrative divisions of Rivne Oblast. Under this decree, Kostopil Raion was merged into Rivne Raion, and its territory was divided into two territorial hromadas: Holovyn and Kostopil.[2]