Catherine of Austria, Queen of Portugal

Catherine
Portrait by Anthonis Mor, 1552
Queen consort of Portugal
Reign	10 February 1525 – 11 June 1557
Queen regent of Portugal
Regency	11 June 1557 – 12 February 1558
Monarch	Sebastian
Born	14 January 1507 Torquemada, Crown of Castile
Died	12 February 1578 (aged 71) Ribeira Palace, Lisbon, Kingdom of Portugal
Burial	Jerónimos Monastery
Spouse	John III of Portugal ​ ​ (m. 1525; died 1557)​
Issue Detail	Afonso, Prince of Portugal Maria Manuela, Princess of Asturias Manuel, Prince of Portugal Philip, Prince of Portugal João Manuel, Prince of Portugal
House	Habsburg
Father	Philip I of Castile
Mother	Joanna I of Castile
Signature

Catherine of Austria (Portuguese: Catarina; 14 January 1507 – 12 February 1578) was Queen of Portugal as wife of King John III, and regent during the minority of her grandson, King Sebastian, from 1557 until 1562.