Leiva, alternatively Leyva, is a Spanish common name and the name of a number of localities and individuals. It may refer to:
José Miguel Conejo Torres better known by his artistic name Leiva (born in Madrid, April 28, 1980), is a Spanish singer, musician and songwriter. Between 2001 and 2010 he led with Ruben Pozo the Spanish rock band Pereza, with which he recorded 6 albums. After the dissolution of the band, he started a solo career with two charting solo albums: Diciembre in 2012 and Pólvora in 2014.