Surnames Categorized "unknown etymology"

This is a list of surnames in which the categories include unknown etymology.
Arias Spanish
Possibly derived from a medieval given name of Germanic origin.
Dioli Italian
Meaning unknown.
Muñoz Spanish
Patronymic derived from the medieval Spanish given name Muño, from Latin Munnius, possibly of Germanic origin.
Samara Arabic
Meaning unknown.
Verona Italian
From the name of the city of Verona, one of the most important historical cities of northern Italy. The meaning of the city's name is uncertain.
Wuopio Swedish
Meaning uncertain, possibly referred to a dweller in a narrow bay with steep shores.