Auth

Auth or AUTH may refer to:

People with the surname

 * Christopher Auth
 * 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