Kelambakkam is a rapidly growing suburb of Chennai in Tamil Nadu state in India. It is situated on the Old Mamallapuram Road (also known as the IT corridor/Rajiv Gandhi Salai).

Tourist attractions include Kovalam beach, the old church for St. Mary in Kovalam, Thiruvidanthai Nithya Kalyana Perumal temple and Tiruporur Murugan Temple.
Kelambakkam attracts office workers from nearby SIPCOT siruseriIT/BPO companies.

One of the most important health centers in the region is Chettinad Health City. It houses a hospital and a nursing college called Chettinad Hospital and Research Institute (CHRI) under Chettinad University. Chettinad University attracts students not only from India but also other parts of Asia.