Act

Act may mean:

Act/Power is a philosophical notion defined by Aristotle and known as entelechy
Act (band), a British band
Act (document), a document recording the legality of a transaction or contract
Act of Parliament, Act of Congress or Act of Tynwald, a statute or law passed by a legislature
Act (drama), a segment of a performance, such as a play or opera
Act or Acts, an obsolete name for the defence of theses at the University of Oxford and University of Cambridge
Acting, action of an actor in a theatrical performance
Acting (law), in law when someone is acting in a position of higher expenses
Acting (rank), in the military when someone assumes a higher rank temporarily
Act or S-act, the action of a monoid on a set, or a semiautomaton.
ISO 639-3 language code for Achterhooks

Acts may mean: