Walter Delgado Alencar Júnior (born 18 July 1978, in João Pessoa, Paraíba, Brazil), better known as Rafael Alencar, is a Brazilian bisexual pornographic actor, diretor, model and escort. Before becoming a porn actor, Alencar graduated in dentistry where worked for three years in a clinic in Brazil, until he started acting as a model for several external brands, such as Calvin Klein. In Brazil, the actor became known after posing nude for a G Magazine pornographic magazine.

In 2003, Rafael was discovered by film director Kristen Bjorn. Mainly playing as a top performer, working with studies such as Studio 2000, Hot House Entertainment, Raging Stallion Studios, Ícarus and Lucas Entertainment. He used to have sex only with a condom in the films with condoms, but in 2019 he filmed his first bareback porn scene for Lucas Entertainment. In 2010, the actor was nominated for Best Actor of the Year and Best Cum Shot at the GayVN Awards. In 2011, the actor won the Hookies award for Escort of the Year.