Endymion is the third science fiction novel by American writer Dan Simmons, first published in 1996. Part of his Hyperion Cantos fictional universe, it centers on the new characters Aenea and Raul End

Endymion is a poem by John Keats first published in 1818 by Taylor and Hessey of Fleet Street in London. John Keats dedicated this poem to the late poet Thomas Chatterton. The poem begins with the lin