Gwenith \g-wenith, gwe-ni-th\ as a girl's name is of Welsh origin, and the meaning of Gwenith is "happiness". Variant of Gwyneth, probably influenced by the Welsh word "gwenith" meaning "wheat", and used in poetry to mean "the favourite" or "the pick of the lot".

Gwenith has 1 variant form: Gwenyth.

Baby names that sound like Gwenith are Gwynith, Gwenita and Gweneth.