PFO
From Infogalactic: the planetary knowledge core
PFO may refer to:
- Patent foramen ovale - a congenital defect of the heart
- Personal Freedom Outreach - an Evangelical organization opposing cults
- Pittsburgh Film Office
- IATA code for Paphos International Airport
- Pathfinder Roleplaying Game - online version
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This disambiguation page lists articles associated with the title PFO.
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