Q'asiri, Mountain summit in Murillo Province, Bolivia

Q'asiri is a 5,224-metre (17,139 ft) mountain in the Cordillera Real of the Bolivian Andes, on the border of La Paz Municipality and Palca Municipality in Murillo Province. It stands south of Sirk'i Qullu and Jathi Qullu, north-west of Sura Qullu and north-east of Ch'iyar Qullu. Two lakes flank it: Q'asiri Quta to the north-east and Jach'a Q'asiri Quta to the south-west.

Q'asiri lies in Murillo Province, on the border between La Paz Municipality and Palca Municipality, south of Sirk'i Qullu and Jathi Qullu, north-west of Sura Qullu and north-east of Ch'iyar Qullu. The sources record no documented first ascent or climbing history for the mountain; its recorded facts are its 5,224-metre elevation and its position between the lakes Q'asiri Quta and Jach'a Q'asiri Quta.

Q'asiri is an Aymara word meaning "bawler", also written Khasiri. The two lakes below the mountain carry the name as well: Q'asiri Quta (Khasiri Kkota) to the north-east and Jach'a Q'asiri Quta (Laguna Jachcha Khasiri), "big Q'asiri lake", to the south-west.

The mountain attracts experienced hikers and climbers who need to prepare for high-altitude conditions. The clearer weather and safer conditions occur during the drier months, making these periods more suitable for visiting.

Q'asiri lies between two lakes: Q'asiri Quta (Khasiri Kkota) to the north-east and Jach'a Q'asiri Quta (Laguna Jachcha Khasiri) to the south-west. Its Aymara name means "bawler", and the mountain stands at the border of La Paz Municipality and Palca Municipality in Murillo Province.