Cassiopeia

Cassiopeia or Cassiopea may refer to:

Greek mythology

Cassiopeia (mother of Andromeda), queen of Aethiopia and mother of Andromeda
Cassiopeia (wife of Phoenix), wife of Phoenix, king of Phoenicia
Cassiopeia, wife of Epaphus, king of Egypt, the son of Zeus and Io; mother of Libya

Cassiopeia (constellation), a northern constellation representing the queen of Ethiopia
- Cassiopeia A, a supernova remnant in that constellation
Cassiopea, the genus of the "upside-down" jellyfish

Cassiopeia (TVXQ), the fan club of South Korean boy band TVXQ
"Cassiopeia", a song by Shabütie (now known as Coheed and Cambria) from their 1999 EP The Penelope EP
"Cassiopeia", a song by Joanna Newsom from her 2004 album The Milk-Eyed Mender
"Cassiopeia", a song by Dragonland from their 2006 album Astronomy
"Cassiopeia", a song by Sunny Lax from his 2006 EP P.U.M.A./Cassiopeia
"Cassiopeia", a song by Rain from his 2006 album Rain's World
"Cassiopeia", a song by Sara Bareilles from her 2013 album The Blessed Unrest
"Cassiopeia", a 2023 single by Bears in Trees

Cassiopeia "Cassie" Sullivan, in The 5th Wave series written by Rick Yancey
Cassiopeia, a magical tortoise in Michael Ende's fantasy novel Momo
Cassiopeia (Battlestar Galactica), from the television series Battlestar Galactica
Cassiopea (Encantadia), the first Queen of Lireo in the Encantadia fantasy series of GMA Network
Cassiopeia, the mother of Octavian in The Astonishing Life of Octavian Nothing
Cassiopeia, the organizer and leader of "Operation Starfall" in the Starfall Street storyline in Pokémon Scarlet and Violet

Casio Cassiopeia, a series of pocket PCs
Cassiopeia (train), an overnight rail service in Japan
USS Cassiopeia (AK-75), a cargo ship used by the United States Navy in World War II