The Choijin Lama Temple (Mongolian: Чойжин ламын сүм; Official name given by Manchu Qing Emperor Guangxu (1871 – 1908): Mongolian: Өршөөлийг хөгжүүлэгч сүм, ᠥᠷᠥᠰᠢᠶᠡᠯ ᠢ ᠬᠥᠭᠵᠢᠭᠦᠯᠦᠭᠴᠢᠰᠦᠮ᠎ᠡ; Manchu: ᡤᠣᠰᡳᠨ ᠪᡝᠶᡝᠠᡩᠠᠪᡡᡥᡝᠵᡠᡴᡨᡝᡥᡝᠨ Gosimbin Jadenblh juktenen, Tibetan: བརྩེ་འཕེལ་གླིང་།།, ZYPY: Brtse'phel gling, English; Compassion Perfection Temple, Chinese:興仁寺) is a Buddhist monastery in Ulaanbaatar, the capital of Mongolia.

The complex consists of six temples originally occupied by the brother of the ruler the Eighth Bogd Jetsun Dampa Khan, Choijin Lama Luvsankhaidav, who was the state oracle and 'Precious Wisdom and Clear Devotion' Khutugtu at the time.

Also depicted are the tantric gods Kalacakra, Mahamaya, Vajradhara and others with their shakti or consorts in postures of meditation that symbolize power and strength.

Located in central Ulaanbaatar directly south of Sukhbaatar Square, the museum is open year-round (with reduced hours during the winter months).

The museum itself and its objects also show the re-emergence of Buddhism in Mongolia after Communist repression, with a particularly interesting display on Buddhist cham dancing and its modern revival.