Cognomen Urack (Urack 
) , around the world, is a very rare last name. The cognomen Urack is characteristic of Germany, where it is a very rare surname, New Zealand, and Australia. Not in comparison with a country's population, it is the most numerous in Germany, Brazil, and Australia. Much less frequently, Urack is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Urack | Germany, Brazil, New Zealand, Australia |
| otto urack German cellist, pianist, conductor, composer and arranger, DE (b. 1884) |
|