[ 1 syll. rae (l), ra-el ] The baby boy name Rael is also used as a girl name. Its pronunciation is R EY L †.The origin of Rael is the African language. The name's meaning is as innocent as a lamb.Raele, Rail, Raile, Rale, Rayl, and Rayle are variants of Rael. Rael is a rarely used baby name for boys. 1 syll. rae (l), ra-el ] The baby boy name Rael is also used as a girl name. Its pronunciation is R EY L †.