Pablo

Pachyderm

Paco

Pad

Paddington

Paddy

Padua

Pagan

Pagoda

Paisley

Pal

Pally

Paloma

Palomino

Panache

Panama

Panda

Pandemonium

Pandora

Panna

Pansy

Panther

Papillon

Papoose

Paprika

Papu

Papyrus

Paradise

Paragon

Paris

Parsy

Parvati

Pa-sang

Patches

Pâté

Pathfinder

Patriot

Patsy

Patsy

Patti

Patton

Pauper

Pavlov

Pawo

Paws

Payton

Pazzo

Peabody

Peaches

Peanut

Peanuts

Pearl

Peaseblossom

Pebbles

Peep

Peewee

Pe-ma

Pem-ba

Penelope

Penn

Penne

Penny

Pepe

Pepe

Pepper

Peppermint

Percy

Peritar

Periwinkle

Pernod

Perro

Persephone

Perseus

Peso

Pest

Pete

Petit Ange

Petra

Petra

Petrarch

Petulia

Petunia

Peugeot

Peyote

Phantom

Pharaoh

Pharos

Phe

Phobos

Phoebe

Phoenix

Piazza

Picasso

Piccolo

Pickle

Pickles

Pickwick

Piedmont

Piggles-wiggles

Piggy

Piggy-wiggy

Pilot

Ping

Pinky

Pinocchio

Pinto

Pip

Piper

Pippa

Pippi

Piranha

Pirate

Pirouette

Pisces

Pistol

Piston

Pit-stop

Pitter-patter

Pixel

Pixie

Pizzazz

Plato

Platty (Platypus)

Playgirl

Pluto

Poco

Poet

Pogo

Poindexter

Poker

Pokerface

Pokey

Polar Storm

Politix

Polly

Polo

Poltergeist

Pom-pom

Poncho

Pong

Pongo

Poo Bear

Pooch

Pooh

Pooh-bah

Pookie

Pop

Popeye

Popsicle

Porkchop

Porker

Porscha

Porsche

Portia

Portly

Potpourri

Potter

Pouilly-fuissé

Prabir

Prancer

Prankster

Pravir

Precious

Prema

Premala

Preppy

President

Presto

Prettipaws

Pretty

Pretty Baby

Pretzel

Prez

Pricilla

Prima Donna

Primo

Prince

Princess

Prisha

Prissy

Prodigy

Professor

Proton

Prowler

Prudence

Psyche

Puccina

Puck

Pudding

Puddles

Pudge

Pudgette

Puff

Puffball

Pugnose

Pumba

Pumpkin

Punch

Punk

Punkie

Punkin

Punky

Pupa

Puppy

Pushpa

Putt-putt

Pygmy