The House of Orange is a branch of the House of Nassau active in European politics.

House of Orange may also refer to:

• "The House of Orange" (song), a song by Stan Rogers from the 1984 album: From Fresh Water
• First House of Orange, a medieval royal house originally controlling the County of Orange
• House of Baux, sometimes called the Second House of Orange
• House of Orange-Chalon, a medieval Frankish dynasty of Burgundy, sometimes called the Third House of Orange
• House of Orange-Nassau, a branch of the European House of Nassau, sometimes called the Fourth House of Orange