Melicertus is a genus of "king" prawns, comprising eight species which were previously classified as members of the genus Penaeus:
- Melicertus canaliculatus <small>(Olivier, 1811)</small> - witch prawn
- Melicertus hathor <small>(Burkenroad, 1959)</small>
- Melicertus kerathurus <small>(Forskål, 1775)</small> - caramote prawn, striped prawn
- Melicertus latisulcatus <small>(Kishinouye, 1896)</small> - western king prawn (Australia)
- Melicertus longistylus <small>(Kubo, 1943)</small> - redspot king prawn
- Melicertus marginatus <small>(Randall, 1840)</small> - aloha prawn
- Melicertus plebejus <small>(Hess, 1865)</small> - eastern king prawn
- Melicertus similis <small>Chanda & Bhattacharya, 2002</small>