Coral Sea may refer to:

• Coral Sea, a region of the north-east coast of Australia with a namesake chain of islands
• Coral Sea, Queensland, a locality in the Rockhampton Region, Australia
  • Coral Sea Islands Territory, includes a group of small and mostly uninhabited tropical islands and reefs in the Coral Sea

Entertainment

• The Coral Sea (book), by Patti Smith
• The Coral Sea (album), live album by Patti Smith and Kevin Shields
• The Coral Sea (band), a Santa Barbara, California based Art Rock band led by Rey Villalobos
• The Coral Island, a book by R. M. Ballantyne

Events

• Battle of the Coral Sea (1942), fought between the US and Japan, the first fleet action in which aircraft carriers engaged each other
  • Coral Sea order of battle, list of units that participated in the battle
  • Coral Sea (wargame), a 1974 board wargame that simulates the Battle of the Coral Sea

Science and technology

• Coral sea gregory, a damselfish of the family Pomacentridae, found on coral and rocky reefs in the western Pacific Ocean
• USS Coral Sea, disambiguation; United States Navy ships named for the Battle of the Coral Sea
  • USS Coral Sea (CVE-57), a Casablanca-class escort carrier later renamed USS Anzio
  • USS Coral Sea (CV-43), a Midway-class aircraft carrier