PW
- .pw
- German Wings
- Kotwica
- P. W. Botha
- PW (rapper)
- Pacific Western Airlines
- Pacific Western Transportation
- Palau
- Palworld
- Password
- Pathetic Writer
- Paul Walker
- Pauly-Wissowa
- Pee Wee (singer)
- Pennyweight
- Perfect World (video game)
- Persistent world
- Petawatt
- Philadelphia Weekly
- Physics Wallah
- Picowatt
- Practical Wireless
- Precipitable water
- Precision Air
- Price Waterhouse
- Prisoner of war
- Production Workshop
- Protest Warrior
- Providence and Worcester Railroad
- Pseudo-wire
- Publishers Weekly
- Puerto Williams
- Warsaw University of Technology