Surname Гульдін (Guldin 
, Гульдін 
) , around the world, is a rare cognomen. The family name Гульдін is characteristic of Switzerland, where it is a rare surname, Denmark, and the United States. In absolute terms, it most frequently occurs in the United States, Germany, and Switzerland. Much less frequently, Гульдін is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guldin | Germany, China, Switzerland, United States, India |
| Гульдін | Ukraine |