The Copa del Rey de Baloncesto (English: King's Cup of Basketball) is an annual cup competition for Spanish basketball teams organized by Spain's top professional league, Asociación de Clubes de Baloncesto. It was originally known as the Copa de España de Baloncesto and was first played in 1933. It was the first nationwide basketball competition played in Spain. During the Franco years it was referred to as the Copa del Generalísimo, before becoming the Copa del Rey in 1977.