The Calcutta Metropolitan Institute of Gerontology (CMIG) is a non-profit, voluntary organisation involved in research, publication, training, and service programs in gerontology.

It is located in Kolkata, India.

It was established in 1988.

The aims and objectives of the institute are to provide a meaningful life to the elderly and to integrate them with the mainstream of the society.

The institute offers a one-year postgraduate diploma course in Gerontology and Age Management, in collaboration with the University of Calcutta.