PUID
PUID may refer to:
- PRONOM's Persistent Unique Identifier, a digital file locator used by The National Archives of the United Kingdom
- Passport Unique Identifier, which is the unique element of a profile in Microsoft's .NET software development kit
- Portable Unique IDentifier, an identifier associated with a MusicDNS acoustic fingerprint
This disambiguation page lists articles associated with the title PUID.
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