Mardi or Mardi and a Voyage Thither is an 1849 novel by American author Herman Melville.

Mardi, the French word for Tuesday, may also refer to: Mardi (people), an Iranian tribe Mardi, Medak district, Andhra Pradesh, India Mardi, New South Wales, a suburb in Australia Märdi, Valga County, an Estonian village Märdi, Võru County, an Estonian village Malaysian Agricultural Research and Development Institute Mars Descent Imager, an instrument aboard the Curiosity Mars Rover Mardi (given name)

See also Mardi Gras (disambiguation)

Mahdi (disambiguation) Mardis, a surname