Gangnan District
Gangnan 
    港南区  | |
|---|---|
| Coordinates: 23°04′30″N 109°36′04″E / 23.07500°N 109.60111°E | |
| Country | China | 
| Region | Guangxi | 
| Prefecture-level city | Guigang | 
| District seat | Jiangnan Subdistrict | 
| Area | |
 • Total  | 1,225 km2 (473 sq mi) | 
| Elevation | 48 m (157 ft) | 
| Population  (2002)  | |
 • Total  | 580,000 | 
| • Density | 470/km2 (1,200/sq mi) | 
| Time zone | UTC+8 (China Standard) | 
| Postal code | 543200  | 
| Area code | 0775 | 
Gangnan (Chinese: 港南; pinyin: Gǎngnán; lit. 'harbour (Guigang) south') is a district of Guigang, Guangxi, China, covering part of the southern portion of the city.