Marcos \m(a)-rcos, mar-cos\ as a boy's name is a variant of Marco (Latin) and Mark (Latin), and the meaning of Marcos is "dedicated to Mars".

The baby name Marcos sounds like Markos, Marcus and Marcas. Other similar baby names are DeMarcos, Marc, Marzo, Marcio, Markus, Marinos, Marius, Markov, Marko and Mars.