Nanfen District (simplified Chinese: 南芬区; traditional Chinese: 南芬區; pinyin: Nánfēn Qū) is a district under the administration of the city of Benxi, Liaoning province, People's Republic of China. It has a total area of 619 square kilometres (239 sq mi), and a population of approximately 90,000 people as of 2002.

There are two subdistricts and one town in the district.

Subdistricts:

• Tieshan Subdistrict (铁山街道), Nanfen Subdistrict (南芬街道)

The only town is Xiamatang (下马塘镇)

Townships:

• Nanfen Township (南芬乡), Sishanling Manchu Ethnic Township (思山岭满族乡)

• Nanfen District Government website (Chinese)