The purple-bellied lory (Lorius hypoinochrous) is a species of parrot in the family Psittaculidae. It is endemic to Papua New Guinea. It is found in south-east New Guinea, the Bismarck Archipelago, the d'Entrecasteaux Islands, the Louisiade Archipelago, the Trobriand Islands and Woodlark Island.
Its natural habitats are subtropical or tropical moist lowland forest, subtropical or tropical mangrove forests, and subtropical or tropical moist montane forest.
The purple-bellied lory is 26 cm long. It is mostly red with black on top of head, green wings, and purple underparts. Its thighs are purple and its legs are dark grey. Its tail is red with dark green-blue at the tip. Its cere is white. The eyerings are grey and the irises are orange-red. The three subspecies differ with slightly different plumage colours.