Wat Kalayanamitr Varamahavihara (Thai: วัดกัลยาณมิตรวรมหาวิหาร, rtgs: Wat Kanlayanamit Woramahawihan, IPA: [wát kanlajaːnamít wɔːráʔmahǎːwíʔhǎːn]) is a Buddhist temple (wat) in Bangkok, Thailand. The temple is located in Wat Kanlaya sub-district, on the Thonburi bank of the Chao Phraya River. The temple was established in 1825 by Chaophraya Nikonbodin (born To, Thai: เจ้าพระยานิกรบดินทร์ (โต)), who donated the temple to Rama III. Chaophraya Nikonbodin was an ancestor of the Kalayanamitr family, whose descendants include Saprang Kalayanamitr.