Reckong Peo, also spelled Rekong Peo or simply known as Peo by the local inhabitants, is headquarters of Kinnaur district, one of the twelve administrative districts of the Indian state of Himachal Pradesh.

At a height of 2,290 metres (7,513 ft), Reckong Peo is 260 kilometres (162 miles) from Shimla and seven kilometres (4⅓ miles) from Powari. Earlier Kalpa was the headquarters later changed to Reckong Peo, named after group of people who used to own this place in ancient times.
Reckong Peo is also the commercial and administrative centre of the Kinnaur district as biggest market of entire district is located here and all important governmental as well as administrative offices are located at Reckong Peo. Tourists can take buses to visit all the important villages and other places of district from HRTC Bus Stand at Reckongpeo.