| Bairak | |
| Native Name: | Байрак |
| Native Name Lang: | uk |
| Settlement Type: | Village |
| Mapsize: | 250px |
| Pushpin Map: | Ukraine#Ukraine Sumy Oblast |
| Pushpin Label Position: | bottom |
| Coordinates: | 50.6014°N 33.6814°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Sumy Oblast |
| Subdivision Type2: | District |
| Subdivision Name2: | Romny Raion |
| Established Title: | Established |
| Established Date: | first half of 19th century[1] |
| Leader Title: | Village mayor |
| Unit Pref: | Metric |
| Population Total: | 734 |
| 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: | 42540 |
| Area Code Type: | Area code |
| Area Code: | +380 5452 |
Bairak (uk|Байрак) is a village in Sumy Oblast (province) of eastern Ukraine with a population of 734.