| Bairisch Kölldorf | |
| Settlement Type: | Former municipality |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Coordinates: | 46.8667°N 15.95°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Styria |
| Subdivision Type2: | District |
| Subdivision Name2: | Südoststeiermark |
| Parts Style: | para |
| Area Total Km2: | 6.34 |
| Elevation M: | 280 |
| Population Total: | 988 |
| Population As Of: | 1 January 2021 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Registration Plate: | SO |
| Postal Code Type: | Postal code |
| Postal Code: | 8344 |
| Area Code Type: | Area code |
| Area Code: | +43 3159 |
Bairisch Kölldorf is a former municipality in the district of Südoststeiermark in the Austrian state of Styria. Since the 2015 Styria municipal structural reform, it is part of the municipality Bad Gleichenberg.[1]
The municipality lies about 45 km southeast of Graz and 11 km southeast of Feldbach in the east Styrian hills.