Auth
# Auth

Auth or AUTH may refer to:

## People with the surname

* Ferdinand Auth (1914–1995), German politician
* Robert Auth (born 1956), American politician
* Tony Auth (1942–2014), cartoonist

## Other uses

* Authentication, and authorization in computer security
   * Ident, an Internet protocol
   * SMTP-AUTH
* Aristotle University of Thessaloniki
