La Matanza de Acentejo is a town near the north coast of Tenerife, Canary Islands, Spain. It is located 10 km east of Puerto de la Cruz, and about 20 km west of the island's capital, Santa Cruz de Tenerife. Its name means "the Slaughter of Acentejo" in Spanish, and refers to the 1494 First Battle of Acentejo, lost by the Spanish.