The Homi Bhabha National Institute (HBNI) is an Indian deemed university, which unifies several constituent institutions.

Homi Bhabha National Institute, Mumbai is one of the institutions of excellence as per section 4(b) of (Reservation in Admission) Act, 2006. And, it has been placed by the Ministry of Human Resource Development (MHRD) task force in Category ‘A’.

Prime minister of India, Manmohan Singh, announced the approval of the government of India for setting up of HBNI on June 4, 2005. It is named after the late Indian physicist Homi J. Bhabha. The HRD Ministry of the government of India declared Homi Bhabha National Institute (HBNI) a deemed to be University along with ten Constituent Institutions (CIs).

HBNI and its Constituent Institutions (CIs) are among the very few institutions of excellence chosen by the Parliament of India to be kept out of the purview of reservations in the Central Educational Institutions (Reservation in Admission) Bill, 2006, which increases the reserved seats to 49.5 per cent in prestigious educational institutes like Indian Institutes of Technology (IITs), Indian Institutes of Management (IIMs), Indian Institute of Science (IISc).

The institute was the brainchild of its first and present director, Ravi Grover.