The family Psittacidae or holotropical parrots is one of three families of true parrots. 
The name 'Psittaciformes' comes from the ancient Greek for parrot, 'Psittacus', whose origin is unclear.

Psittaciformes:
- Strigopidae – New Zealand parrots (4 species)
- Cacatuidae – Cockatoos (22 species)
- Psittacidae – African and New World parrots (179 species)
- Psittaculidae – Old World parrots (203 species)