Gwynedd \gw(y)-ne-dd\ as a girl's name (also used as boy's name Gwynedd), is a variant of Gwyneth (Welsh), and the meaning of Gwynedd is "happiness".

The baby name Gwynedd sounds like Gwynda, Gwenda, Gwynneth, Gwynith, Gwineth and Gweneth. Other similar baby names are Enedd, Gayner, Glynda, Gwynne, Gwynna, Gwynn and Gwyn.