Surname Infermo (Infermo 
) , around the globe, is a very rare family name. The cognomen Infermo is habitual in Italy, where it is a very rare surname, Philippines, and the United States, where it is an extremely rare surname. Very seldom, Infermo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Infermo | Italy, United States, Philippines |