Bhagadatta was a king of the ancient Indian kingdom of Pragjyotisha as mentioned in the Mahabharata.

Bhagadatta may also refer to:

Bhagadatta (Langkasuka), a 6th-century king of the Langkasuka Kingdom on the Malay Peninsula Bhagadatta (of Chanasa), a 10th-century king of Dvaravati in what is now central Thailand Bhagadatta austenia, an (older) alternative name of the butterfly species Limenitis austenia

See also Baghdad (disambiguation), etymologically related term Bhaga, a Vedic god of fortune in Hinduism Datta (disambiguation)