Last name Acus (Acus 
, Guglia 
, Aguglia 
) , globally, is quite a rare cognomen. The cognomen Acus is habitual in Italy, where it is quite a rare surname, Lithuania, and Austria, where it is a rare surname. In absolute terms, this name is the most popular in Italy, the United States, and Argentina. Very seldom, Acus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Acus | France, Lithuania, United States, Indonesia, Nigeria |
| Guglia | Austria, Argentina, Italy, United States, India |
| Aguglia | France, Argentina, Italy, Brazil, United States |