Cognomen Vreg (Vreg 
) , across the world, is a rare last name. The last name Vreg is habitual in Slovenia, where it is quite a rare surname, Croatia, where it is a very rare surname, and India, where it is an extremely rare surname. Much less frequently, Vreg is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vreg | Thailand, Croatia, Slovenia, India, United States |
| ruža vreg Slovene physician (b. 1924) |
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| france vreg SI (b. 1920) |
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