Carlos Leoni Rodrigues Siqueira Júnior, or simply Leoni (born in Rio de Janeiro in 1961) is a Brazilian composer and singer. He was in Kid Abelha from 1981 to 1986, and was romantically connected to the band's singer, Paula Toller. He started his solo career in 1993, and in 2005 released a live DVD called "Ao Vivo." In 2007 he started performing in various locations in Brazil again. In 2015 he released his first album in a long time, Notícias de Mim.