Olwyn \o-lw-yn\ as a girl's name is a variant of Olwen (Welsh), and the meaning of Olwyn is "white footprint".

The baby name Olwyn sounds like Olwin, Allyn, Alwyne, Alwyna, Elyn, Ellyn, Oleen, Olwynne and Olwenn. Other similar baby names are Glyn, Ileen, Eleen, Aleen, Ailyn, Aleyne, Alayne, Alayna, Allyna, Aleyna, Oleta, Oleda, Alyne, Alyna, Allyne, Allynn, Blayne, Calyn, Delyn, Elayne, Elayna, Ellin, Ellen, Elen, Elin, Elynn, Elon, Ellon, Ellan, Elan, Fallyn, Glynn, Glenn, Glen, Ilean, Oryna, Jalyn, Jolyn, Kalyn, Kellyn, Lyn, Nellwyn, Ola, Olla, Olisa, Olena, Olina, Olenya, Olga, Olia, Oliana, Oleana, Olida, Oline, Olynda, Olva, Ollie, Olive, Oliva, Oliff, Sloan and Valyn.