Marlen \m(a)-rlen, mar-len\ as a boy's name (also used as girl's name Marlen), is a variant of Marlon (English). See for meaning of Marlen.
The baby name Marlen sounds like Marlin, Marlan and Merlen. Other similar baby names are Garlen, Harlen, Mallen, Marden, Marley, Marlea, Marten, Marven and Maslen.