Spanish ship Rayo

Several ships of the Spanish Navy have borne the name Rayo:
 * Spanish ship Rayo (1751): 80 gun ship of the line, fought at Trafalgar
 * Spanish ship Rayo (1740): 6-gun fireship
 * Spanish ship Rayo (1874): Gunboat, saw service in Cuba
 * Spanish ship Rayo (1886): torpedo boat, entered service in 1886
 * Spanish ship Rayo (D-35): Audaz class destroyer
 * Spanish ship Rayo (P-42): Buque de Acción Marítima patrol vessel