Kelan County (simplified Chinese: 岢岚县; traditional Chinese: 岢嵐縣; pinyin: Kělán Xiàn) is a county in Xinzhou Prefecture, in the northwest of Shanxi Province, China.

The Taiyuan Satellite Launch Center is located in this county.

Area: 1,984 km2 (766 sq mi).

Population: 80,000[when?]

Postal Code: 036300 Telephone Area Code: 0350 The county government is located in Lanyi town.