King prawn may refer to:

• In Australia, several species of commercially significant edible prawns (shrimp) in the genus Melicertus (previously classified in Peneaus):
  • Melicertus plebejus (Hess, 1865) - eastern king prawn;
  • Melicertus latisulcatus (Kishinouye, 1896) - western king prawn;
  • Melicertus longistylus (Kubo, 1943) - redspot king prawn.
• The vannamei prawn or whiteleg shrimp, Penaeus vannamei.^{[dubious – discuss]}
• Pepe the King Prawn, a Muppets character performed by Bill Barretta.
• King Prawn (band), an English ska punk band active 1993–2003 and 2012.
• Fairy King Prawn (靚蝦王), a racehorse.