Frewen \f-re-wen\ as a boy's name is a variant of Frewin (Old English), and the meaning of Frewen is "free friend".
The baby name Frewen sounds like Freen and Frean. Other similar baby names are Freman, Arwin, Erwin, Irwin, Farren, Forden, Frann, Fran, Freyne, Frayn, Freeman, Freemon, Garwen, Kirwen, Orwin, Rowen and Sherwen.