Joan Carretero i Grau (Catalan pronunciation: [ʒuˈaŋ kərəˈteɾu]; born 1955 in Tremp, Pallars Jussà) is a Spanish physician and politician.

[1] Joan Carretero received his degree in Medicine and Surgery in 1978 from the UB.

He was expelled from the ERC on 27 April 2009 because of his vocal criticism regarding the direction of the party.

He became mayor of Puigcerdà in 1995, when he ran the first time, leading ERC's lists.

He resigned in December 2003 when he became a minister in the Catalan Government, but he was displaced in April 2006.