| Golbazar Municipality | |
| Other Name: | Golbazar |
| Native Name: | गोलबजार नगरपालिका |
| Settlement Type: | Municipality |
| Pushpin Map: | Nepal |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Nepal |
| Subdivision Type: | Country |
| Subdivision Name: |  Nepal |
| Subdivision Type1: | province |
| Subdivision Name1: | Madhesh |
| Subdivision Type2: | District |
| Subdivision Name2: | Siraha |
| Leader Title: | Mayor |
| Leader Name: | Devnath Sah (NCP) |
| Leader Title1: | Deputy Mayor |
| Leader Name1: | Reshma Kumari Thapa (NCP) |
| Population As Of: | 2011 |
| Population Total: | 47763 |
| Population Density Km2: | 457 |
| Population Blank1 Title: | Ethnicities |
| Timezone: | Nepal Time |
| Utc Offset: | +5:45 |
| Coordinates: | 26.79°N 86.33°W |
| Postal Code Type: | Postal code |
| Postal Code: | 56508 |
| Area Code: | 033 |
| Website: | http://golbazarmun.gov.np |
Golbazar is a municipality in Siraha District[1] in the Madhesh Province of south-eastern Nepal. Golbazar Municipality was formed by merging former VDCs of Asanpur, Jamadaha, Ashokpur Balkawa, Betauna, Durgapur, Lalpur, Muksar, Chandraudyapur, and Chandralalpur under a new local administrative structure implemented by the Government of Nepal. As per the 2011 Nepal census it had a population of 47763 people living in 2500 individual households.
Golbazar Municipality covers an area of 104.5 km2. There are 13 wards under Golbazar Municipality. The office of Golbazar Municipality lies in Golbazar (Main Market).