| Haisyn Raion | |
| Native Name: | Гайсинський район |
| Native Name Lang: | uk |
| Settlement Type: | Raion |
| Flag Alt: | Flag of Haisynskyi Raion |
| Shield Alt: | Coat of arms of Haisynskyi Raion |
| Image Map1: | Gaisinskiy rayon 2020.png |
| Subdivision Type: | Country |
| Subdivision Type1: | Oblast |
| Parts Type: | Subdivisions |
| Parts: | 14 hromadas |
| Established Title: | Established |
| Established Date: | 1923 |
| Seat Type: | Admin. center |
| Seat: | Haisyn |
| Leader Title: | Governor |
| Leader Name: | Sergiy Skits |
| Leader Title1: | Chairman |
| Unit Pref: | Metric |
| Area Footnotes: | [1] |
| Area Total Km2: | 5674.8 |
| Population Total: | 232647 |
| Population As Of: | 2022 |
| Population Density Km2: | auto |
| Timezone1: | EET |
| Utc Offset1: | +02:00 |
| Timezone1 Dst: | EEST |
| Utc Offset1 Dst: | +03:00 |
| Postal Code Type: | Postal index |
| Postal Code: | 23700—23761 |
| Area Code Type: | Area code |
| Area Code: | +380 4334 |
| Website: | http://www.gaysin-rda.gov.ua/ |
Haisyn Raion (Ukrainian: Гайсинський район) is one of the six raions (districts) of Vinnytsia Oblast, located in southwestern Ukraine. The administrative center of the raion is the town of Haisyn. Population:
On 18 July 2020, as part of the administrative reform of Ukraine, the number of raions of Vinnytsia Oblast was reduced to six, and the area of Haisyn Raion was significantly expanded.[2] [3] The January 2020 estimate of the raion population was