Alfonso Coloma y Jasarte de Melo, (born in 1555- 20.4.1606) was a Spanish prelate and bishop, member of the House of Coloma.
He is a son of don Juan IV Coloma y Cardona, 1st Count of Elda and a brother of Carlos Coloma. Like others in his family, be was knight of St. John of Jerusalem.
His career started in Sevilla, where he was canon magistral. He was member of the holy Office of the inquisition , and became a royal consellor. On 27 Sep 1599 he was appointed as bishop of Barcelona and ordained by Saint Juan de Ribera. In 1603 he became bishop of Cartagena until his death.