The order Suliformes is an order recognised by the International Ornithologist's Union, split from Pelecaniformes.The order Suliformes is an order recognised by the International Ornithologist's Union, split from Pelecaniformes.

Suliformes maybe from Old Norse Sula +‎ -iformes for boobies, gannets.

Suliformes:
- Fregatidae
- Sulidae
- Anhingidae
- Phalacrocoracidae