The Copa del Rey de Balonmano 2012–13 was the 38th edition of the Copa del Rey de Balonmano, hosted by Liga ASOBAL. For this edition, the tournament undergoes a competition format change, being played as follows: The final four took place at Palacio de los Deportes de La Rioja, Logroño on 3 & 4 May. Atlético Madrid won its twelfth title including those that won with former name (Atlético Madrid BM) and current name (BM Neptuno).