Michaelmas is a day in the Christian calendar.
Michaelmas may also refer to: Michaelmas (novel), a science fiction novel by Algis Budrys Michaelmas Island, an island in Western Australia Michaelmas term, the first term of the academic years of several United Kingdom universities
See also Michaelmas and Upolu Cays National Park, Queensland, Australia Michaelmas Daisy, plants in genus Aster Michaelmas Term (play), a Jacobean comedy by Thomas Middleton