Porter \p(o)-rter, por-ter\ as a boy's name is of English origin, and the meaning of Porter is "gatekeeper". English occupational name and surname as well as a French name used by persons who made their living carrying loads: "porter" in French means "to carry".
Baby names that sound like Porter are Bertrem and Broder. Other similar baby names are Potter, Carter, Parker, Peter, Pieter and Procter.