The Thebaid (/ˈθiːbeɪ.ɪd/; Latin: Thēbaïs, lit. 'Song of Thebes') is a Latin epic poem written by the Roman poet Statius. Published in the early 90s AD, it contains 9,748 lines arranged in 12 books, and recounts the clash of two brothers, Eteocles and Polynices, over the throne of the Greek city of Thebes. After Polynices is sent into exile, he forges an alliance of seven Greek princes and embarks on a military campaign against his brother.
Although its source material derives predominantly from the Greek literary tradition, the Thebaid has close ties with other Latin texts such as Virgil's Aeneid and the tragedies of Seneca the Younger. The poem's central themes include the relationship between politics and the family, civil war, and the amoral acts to which it gives rise. Critics have also noted the poem's innovative depiction of Roman mythology. Following in the footsteps of Ovid's Metamorphoses, Statius used an episodic structure which is held together by subtle links between individual episodes.