Jon-Michael William Ecker (born March 16, 1983) is an Brazilian actor.
He is best known for his roles as Aaron "Ari" Morales in Popland!, Pablo Peralta in the telenovela Corazón valiente, Nicolás "Nico" de la Vega in Gossip Girl: Acapulco, and Marlon Brando in the film Cantinflas.
He is the son of Brazilian actor Guy Ecker.