Luis Alberto Cuevas Olmedo, better known as Beto Cuevas, is a Chilean-Canadian singer, song writer, plastic artist, painter, and actor. He is the lead singer for the Chilean band La Ley. In 2008 he launched his solo career with the release of his album, Miedo Escénico. In 2012 he released his second album, Transformación.

La Ley were a Chilean rock band formed by Andrés Bobe, Rodrigo Aboitiz, Luciano Rojas and Mauricio Claveria with Beto Cuevas. The band has won one Grammy Award, two Latin Grammy Awards, three Lo Nuestro Awards and three Premios MTV Latinoamérica.