Mahanama may refer to
Mahanama (arhat), with Kaundinya, an early follower of Gautama Buddha Mahanama, father of Amrapali (), the ancient Indian courtesan and follower of Gautama Buddha Mahanama of Anuradhapura (fl. 412–434), King of Anuradhapura Mahānāma, fifth century CE, author of the Mahāvaṃsa Bibiladeniye Mahanama (born 1989), Buddhist monk and composer Roshan Mahanama (born 1966), Sri Lankan cricketer Shantha Bandara (1951–1990), alias Mahanama, Sri Lankan politician Mahanama College in Colombo
See also "Mah Nà Mah Nà", a popular song