Act III

Act III may refer to:

Companies, publications and brands

 * Act III Broadcasting, a defunct American television broadcasting company
 * Act III Theatres, an American movie theater chain acquired in 1998 by Regal Entertainment Group
 * Act III Publishing, a defunct American Trade Magazine publisher active 1985-1991
 * Act III Communications, an American media and communications company
 * Wyeth Act-3, a drug composed of 'ibuprofen'; see Ibuprofen brand names
 * LGP-30, Librascope ACT-III programming language

Albums

 * Act III (Death Angel album), 1990
 * Act III (The Seldom Scene album), 1973
 * Act III: Life and Death, an album by The Dear Hunter, 2009
 * Act Three (G4 album), an album by G4, 2006