Asio is a genus of owls.

Asio or ASIO may also refer to:

• asio C++ library, a programming library for asynchronous I/O
• Audio Stream Input/Output, computer sound card driver protocol for low-latency digital audio
• Australian Security Intelligence Organisation
• "ASIO", a song by Redgum from Frontline
• "ASIO" a song by Benny Cristo

• AZO (disambiguation)
• ACO (disambiguation)

This disambiguation page lists articles associated with the title Asio.
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