Iris Xiomara Castro de Zelaya or simply Xiomara Castro (born September 30, 1959) is a Honduran politician.
She was a candidate for the 2013 presidential election representing the left-wing Libre Party.
The wife of deposed former President Manuel Zelaya, Castro was a leader of the movement resisting the 2009 Honduran coup d'état that ousted her husband from power prematurely.