Act or ACT may mean: · Act of Parliament (Act of Congress in the USA) a statute or law passed by a legislature. · Act , a British band · Act , a document recording the legality of a transaction or contract · Act , a segment of a performance, such as a play or opera · Acting, action of an actor in a theatrical performance · ACT , a college entrance examination · ACT! is a customer relationship management (CRM) application · Act , a type of web browser · Australian Capital Territory, Australian seat of government · Advanced Concepts Team, A Research Team of the European Space Agency · Acceptance and Commitment Therapy, A psychological intervention · Australian Cricket Team · Act or S-act, the action of a monoid on a set, or a semiautomaton. Acts or ACTS may mean: