Last name Detelic (Detelic 
) , all around the world, is a very rare cognomen. The last name Detelic is habitual in Switzerland, where it is a rare surname, Croatia, where it is a very rare surname, and Argentina. In absolute terms, the name is most common in Switzerland, Argentina, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Detelic | Croatia, Argentina, Switzerland, Germany, Canada |