All over the world, Theys (Theys 
) is a very rare gender-neutral first name. The given name Theys is habitual in Belgium, where it is a rare unisex name, South Africa, where it is a very rare masculine name, and Indonesia. Predominantly, Theys is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Theys | South Africa, Reunion, France, United States, Belgium |
|
gillis theys BE (b. 1755) |
|
| mitchell theys Ph.D. Purdue University 1999 |
|
|
| hanna theys Belgian cyclist, BE (b. 1999) |
|