Wat Mangkon Kamalawat (Thai: วัดมังกรกมลาวาส, pronounced [wát m??k???n k?m?l??wâ?t]), previously (and still commonly) known as Wat Leng Noei Yi (Thai: วัดเล่งเน่ยยี่, pronounced [wát lê? n??j jî?]; simplified Chinese: ???; traditional Chinese: ???; pinyin: Lónglián Sì), is the largest and most important Chinese Buddhist temple in Bangkok, Thailand. It hosts celebrations of a number of year-round events, including Chinese New Year, and the annual Chinese vegetarian festival.

The temple is built in a classic Chinese architectural style, with typical sweeping tiled roofs decorated with animal and floral motifs, including the ubiquitous Chinese dragons. The ubosot (ordination hall) houses the temple's main, gold colored, Buddha image in a fusion of Thai and Chinese style, and is fronted by an altar at which religious rites are performed.

Take Bus No. 1, 4, 7, 25, 53, 73, or 501.

• BL29 Wat Mangkon (from station 250 m)

Hua Lamphong Station and walk 700 meters toward Yaowarat Road or take any of the buses mentioned above as they all pass the station.

• China Town Yaowarat
• Wat Traimit