Gwladys (disambiguation)

Saint Gwladys ferch Brychan or St Gladys (Latin-Claudia), was the beautiful Queen of Saint Gwynllyw Milwr.

Gwladys is also the name of:
 * Gwladys ferch Dafydd (died 1300s), Welsh noblewoman, daughter of Dafydd ap Gruffudd
 * Gwladys ferch Dafydd Gam (died 1454), Welsh noblewoman, wife of Roger Vaughan and William ap Thomas
 * Gwladys Beckett (1897–1943) who became Lady Charles Markham and then Gwladys, Lady Delamere
 * Gwladys Épangue (born 1983), French taekwondo athlete
 * Gwladys Evan Morris (fl. 1929), British actress and writer
 * Gwladys F. Hughes (1907–1996), American educator and folklorist
 * Gwladys Nocera (born 1975), French golfer
 * Gwladys Robinson, Marchioness of Ripon