Worldwide, Glynys (Glynys 
) is a very rare girly forename. The given name Glynys is habitual in Northern Europe, particularly the United Kingdom, where it is a very rare predominantly girly, but scarcely boy's name. Very seldom, Glynys is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Glynys | United Kingdom, South Africa, Mexico, Honduras, United States |