Barramundi (Lates calcarifer) is a saltwater fish of the Indian and western Pacific oceans also called the Asian sea bass. Barramundi, meaning "large-scaled river fish", may also refer to:
- Australian names for fish
- Barramundi or Gulf saratoga (Scleropages jardinii), freshwater fish of the Gulf of Carpentaria drainage system
- Barramundi or southern saratoga (Scleropages leichardti), freshwater fish of the Fitzroy River system
- Barramundi cod or humpback grouper (Cromileptes altivelis), saltwater fish of the western Pacific Ocean
- Rock barramundi or mangrove red snapper (Lutjanus argentimaculatus), saltwater fish of the Indian and western Pacific oceans
- Waigeo barramundi or Waigieu seaperch (Psammoperca waigiensis), saltwater fish of the Indian and western Pacific oceans
- Other