- Pacific Golden Plover
- Pacific Hornero
- Pacific Parrotlet
- Pacific Reef Heron
- Paddyfield Pipit
- Paddyfield Warbler
- Painted Bunting
- Painted Stork
- Pale-bellied Hermit
- Pale-billed Flowerpecker
- Pale-billed Woodpecker
- Pale-breasted Spinetail
- Pale-breasted Thrush
- Pale-eyed Pygmy Tyrant
- Pale-mandibled Aracari
- Pale-tipped Inezia
- Pale-vented Pigeon
- Pale Chanting Goshawk
- Pallas's Gull
- Pallid Harrier
- Palm-nut Vulture
- Palm Cockatoo
- Palm Tanager
- Palm Warbler
- Papuan Black Myzomela
- Papuan Frogmouth
- Papuan Hawk-Owl
- Papuan Pitta
- Paradise Jacamar
- Paramo Ground Tyrant
- Paramo Pipit
- Parasitic Jaeger
- Parrot-billed Seedeater
- Parrot Crossbill
- Pauraque
- Pearl-spotted Owlet
- Pectoral Sandpiper
- Peg-billed Finch
- Peregrine Falcon
- Peruvian Meadowlark
- Pesquet's Parrot
- Pheasant-tailed Jacana
- Piapiac
- Pied-billed Grebe
- Pied Avocet
- Pied Bush Chat
- Pied Crow
- Pied Kingfisher
- Pied Plover
- Pied Starling
- Pied Stilt
- Pied Water Tyrant
- Pied Wheatear
- Pigeon Guillemot
- Pin-tailed Whydah
- Pink-backed Pelican
- Pink-necked Green Pigeon
- Pink-spotted Fruit Dove
- Pintado Petrel
- Piratic Flycatcher
- Plain-backed Pipit
- Plain-bellied Emerald
- Plain-brown Woodcreeper
- Plain-colored Seedeater
- Plain-crested Elaenia
- Plain Chachalaca
- Plain Greenbul
- Plain Mountain Finch
- Plain Prinia
- Plain Swift
- Plate-billed Mountain Toucan
- Plum-headed Parakeet
- Plumbeous-backed Thrush
- Plumbeous Kite
- Plumbeous Pigeon
- Plumbeous Sierra Finch
- Pomarine Jaeger
- Powerful Woodpecker
- Preuss's Cliff Swallow
- Preuss's Weaver
- Prevost's Ground Sparrow
- Pririt Batis
- Prong-billed Barbet
- Prothonotary Warbler
- Purple-bibbed Whitetip
- Purple-crowned Fairy
- Purple-rumped Sunbird
- Purple-throated Fruitcrow
- Purple-throated Woodstar
- Purple Gallinule
- Purple Heron
- Purple Honeycreeper
- Purple Sandpiper
- Purple Starling
- Purple Sunbird
- Pygmy Cormorant
- Pygmy Sunbird