Kolkata Metropolitan Development Authority (KMDA) is the statutory planning and development authority for the Kolkata metropolitan area in the Indian state of West Bengal. The organisation used to be known as Calcutta Metropolitan Development Authority (CMDA) and retains the previous logo. KMDA is functioning under the administrative control of Department of Urban Development and Municipal Affairs of Government of West Bengal.

Kolkata Metropolitan Area, also known as Greater Kolkata, is the urban agglomeration of the city of Kolkata in the Indian state of West Bengal. It is the third most populous metropolitan area in India after Delhi and Mumbai. The area is administered by the Kolkata Metropolitan Development Authority (KMDA).