Last name Grosl (Grosl 
) , globally, is a very rare cognomen. The family name Grosl is habitual in Croatia, where it is a rare surname, Canada, where it is an extremely rare surname, and the United States. Much less frequently, Grosl is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grosl | Croatia, Canada, United States |