- Pitt
- Pitt-Rivers
- Pittaway
- Pittendrigh
- Pittman
- Pitts
- Plaister
- Plant
- Plate
- Platt
- Platten
- Platts
- Plaxton
- Playdon
- Alice (1896 - circa 1952)
- Playford
- Pledge
- Mary (between 1826 and 1827 - before 1854)
- Plevin
- Plowman
- Jane (between 1848 and 1849 - circa 1928)
- Plum
- Plummer
- Plumridge
- Pluthero
- Pockett
- Pocknell
- Pocock
- Podger
- Poett
- Poindexter
- Pointer
- Poland
- Pole
- Poley
- Polk
- Poll
- Pollard
- Pollock
- Polston
- Eliza Ann (between 1877 and 1878 - circa 1923)
- Polsue
- Pomeroy
- Pond
- Pone
- Pons
- Amber (before 2005 - 2014)
- Ponsford
- Ponting
- Annie (circa 1852 - circa 1925)
- Pooke
- Pool
- Poole