pa or PA may stand for:
- pa, a word for dad or father ("pa" or "paw")
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Pa, Maori word meaning a fortified village or redoubt , described at length in Maori Wars
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Palestinian Authority
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Panama (ISO country code, PA)
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Panjabi language (ISO 639 alpha-2, pa)
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pascal (Pa), SI unit of pressure
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Pennsylvania, the US state
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Penny Arcade, the popular gaming webcomic
- Personal Assistant (PA)
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physician assistant, the medical profession
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protactinium (Pa), symbol for the chemical element
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Port Angeles a city in Washington State in the United States
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Polyamide (PA), a kind of plastic
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Polyacetylene (PA)
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Public Address System system amplification equipment
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Phillips Academy, a private secondary school
- PA is the IATA alpha code designator for Pan American World Airways (Pan Am)
- PA is also the short form for the PA-RISC family processor architecture from Hewlett-Packard
Last updated: 05-17-2005 03:26:36