A woman king or queen regnant is a female monarch.

Woman king may also refer to:

• Woman King, a 2005 EP by Iron & Wine
  • "Woman King", a 2005 song on the album of the same name
• The Woman King, a 2022 American historical film about the Agojie, the 19th-century all-female regiment of the African kingdom of Dahomey
• "The Woman King" (Battlestar Galactica), 2007 episode of the TV series
• A euphemism for the Iyalode, a powerful Yoruba chief, who claims Oba Obirin (Yoruba: "King of the Women") as a subsidiary title