Raúl Alexander Acha Alemán (born January 25, 1985 in Mexico City, Distrito Federal) is a Latin Grammy winning Mexican singer-songwriter.

The son of Mexican pop singer Emmanuel, Alexander Acha is also a pianist and a Berklee College of Music alum. He was raised as a devout Roman Catholic and he still attends Mass at the Church.[1] His debut album Voy (2008) reached gold status in his native country, with Te Amo being his first single.[2] On November 5, 2009 he won the Latin Grammy for Best New Artist.