Protestant Reformation, an attempt by Martin Luther to reform the Church that resulted in a schism, and grew into a wider movement.

Counter-Reformation, a Catholic response to the Protestant Reformation.

The Reformation (Story of Civilization), the fourth volume of Will Durant's massive history The Story of Civilization.

"Reformation" (The Wire episode), a 2004 episode of the television series The Wire.

Reformation (Indonesia), the (current) era in Indonesia after the fall of President Suharto, characterizied by increased freedom and political participation.

Radical Reformation, an Anabaptist movement concurrent with the Protestant Reformation.

The Reformation (album), an upcoming album by Bishop Lamont.

Reformation (album), a 2006 studio album by Kiuas.

Reformation (Spandau Ballet album), a 2002 compilation album by Spandau Ballet.

English Reformation, series of events in sixteenth-century England by which the church in England broke away from the authority of the Pope and the Roman Catholic Church