Look up PWI in Wiktionary, the free dictionary.

Pro Wrestling Illustrated is an American magazine.

PWI may also refer to:

• Perfect World International , a free-to-play MMORPG
• Permanent Way Institution, British professional institution for railway engineering
• Plasma Waves Instrument, an experiment on the NASA mission Dynamics Explorer 1
• Predominantly White Institution, a public college or university in North America that is majority-White and has historically catered to that demographic; see Institutional racism § Impact on students
• Process Window Index, a statistical measure that quantifies the robustness of a manufacturing process
• Public Windows Interface, a Sun initiative to create an open Windows API
• Pune Warriors India, a defunct Indian Premier League team
• Pwi pwi, a type of miniature raft, native to Dominica

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