Kidwai Memorial Institute of Oncology (Kannada: ಕಿದ್ವಾಯಿ ಸ್ಮಾರಕ ಗಂಥಿ ಸಂಸ್ಥೆ ) is a cancer care hospital in Bangalore, Karnataka.

Rafi Ahmed Kidwai played a major role in donating 20 acres of the campus land and Rs.

The institute imparts training in various discipline sub-specialties of oncology to Post-graduate students, Undergraduate students, interns (both national and international), nurses and scientists of allied sciences from various medical and paramedical institutions in the state and country.

[8][9] KMIO is recognized as a charitable institute by the Endowment Department of Karnataka, considering its commitment for services to poor cancer patients.

[10] Kalaburagi branch has the facilities, including a LINIAC machine, a full-fledged CT simulator, chemotherapy unit and operation theater.