PW may refer to:
Pwn2Own is a computer hacking contest held annually at the CanSecWest security conference, beginning in 2007. Contestants are challenged to exploit widely used software and mobile devices with previously unknown vulnerabilities.
Pwn is a leetspeak slang term derived from the verb own, meaning to appropriate or to conquer to gain ownership.
The Pwnie Awards recognize both excellence and incompetence in the field of information security. Winners are selected by a committee of security industry professionals from nominations collected from the information security community.
Pwllheli (Welsh pronunciation: [pʊɬˈhɛlɪ]) is a community and the main market town of the Llŷn Peninsula (Welsh: Penrhyn Llŷn) in Gwynedd, north-western Wales.
The PWX Tag Team Championship is a professional wrestling Tag Team championship in Pro Wrestling eXpress (PWX).
In Unix-like and some other operating systems, the pwd command (print working directory)