| Krolevets Raion | |
| Native Name: | Кролевецький район |
| Pushpin Label Position: | right |
| Coordinates: | 51.5358°N 33.4406°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Ukraine |
| Subdivision Type1: | Oblast |
| Subdivision Name1: | Sumy Oblast |
| Seat Type: | Admin. center |
| Seat: | Krolevets |
| Established Title1: | Established |
| Established Title2: | Disestablished |
| Established Date2: | 18 July 2020 |
| Area Total Km2: | 1284 |
| Population As Of: | 2020 |
| Population Total: | 36390 |
| Population Density Km2: | auto |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Website: | http://www.krolrda.gov.ua/ |
Krolevets Raion (Ukrainian: Кролевецький район) was a raion in Sumy Oblast in North Ukraine. The administrative center of the raion was the town of Krolevets. The raion was abolished on 18 July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Sumy Oblast to five.[1] [2] The last estimate of the raion population was