| Buk | |
| Native Name Lang: | ko |
| Settlement Type: | Autonomous District |
| Translit Lang1: | Korean |
| Translit Lang1 Type1: | Hanja |
| Translit Lang1 Info1: | 北區 |
| Translit Lang1 Info2: | Buk-gu |
| Translit Lang1 Info3: | Puk-ku |
| Image Blank Emblem: | Buk-gu (Busan).png |
| Subdivision Type: | Country |
| Subdivision Name: | South Korea |
| Subdivision Type1: | Region |
| Subdivision Name1: | Yeongnam |
| Subdivision Type2: | Provincial level |
| Subdivision Name2: | Busan |
| Subdivision Type3: | Administrative divisions |
| Subdivision Name3: | 13 administrative dong |
| Area Total Km2: | 38.30 |
| Population As Of: | 2005[1] |
| Population Total: | 336753 |
| Population Density Km2: | 8793 |
| Population Blank1 Title: | Dialect |
| Population Blank1: | Gyeongsang |
Buk District (literally north district) is a gu, or district, in north central Busan, South Korea. Buk-gu covers a surface of 38.30 km2 is home to about 335,000 people. It attained the status of gu in 1978.
Buk-gu is divided into 5 legal dong, which all together comprise 13 administrative dong, as follows:
Jiaozhou, China