Bulungan Regency
| Bulungan Regency Kabupaten Bulungan | |
|---|---|
| Motto(s): Tenguyun (Together) | |
| Location of Bulungan Regency in North Kalimantan. | |
| Country | Indonesia | 
| Province | North Kalimantan | 
| Capital | Tanjung Selor | 
| Government | |
| • Regent | Syarwani | 
| • Vice Regent | Kilat | 
| Area | |
|  • Total | 13,181.92 km2 (5,089.57 sq mi) | 
| Population  (mid 2024 estimate) | |
|  • Total | 172,106 | 
| • Density | 13/km2 (34/sq mi) | 
| Time zone | UTC+8 (Central Indonesian Time) | 
| Website | bulungan.go.id | 
Bulungan Regency, formerly known as Bulongan, is a regency of North Kalimantan Province in Indonesia. It covers an area of 13,181.92 km2 and had a population of 112,663 at the 2010 Census and 151,844 at the 2020 Census; the official estimate as at mid 2024 was 172,106. The administrative centre is at Tanjung Selor.