Cognomen Уль (Houle 
, Uhl 
, Oul 
) , across the world, is a common last name. The cognomen Уль is habitual in Canada, where it is quite a common surname, Germany, and Austria. In absolute terms, this name is the most popular in the United States, Germany, and Canada. Much less frequently, Уль is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Houle | Germany, Morocco, United States, Canada, France |
| Uhl | Germany, Austria, United States, Canada, France |
| Oul | Morocco, Algeria, United States, Canada, France |
| Уль | Kazakhstan, Ukraine, Russia |