María Teresa Fernández de la Vega Sanz (born 15 June 1949) is a Spanish Socialist politician.
She is the current President of the Spanish Council of State.
From 18 April 2004 to 20 October 2010, she was the first deputy prime minister, minister of the Presidency and cabinet spokesperson in the government of Prime Minister José Luis Rodríguez Zapatero.
She is the first female deputy prime minister and president of the Council of State in Spanish history.