Wat Kalayanamitr Varamahavihara is a Buddhist temple in Bangkok. he 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 who donated the temple to Rama III. Wat Kalayanamitr Varamahavihara is one of three family temples of the Kalayanamitr family, along with Wat Rakhang and Wat Chakkrawatdirachawat Woramahawihan. The family name Kalayanamitr derives from a poem inscribed in the temple.