Last name Cirno (Cirno 
) , in the entire world, is a very rare cognomen. The family name Cirno is characteristic of Indonesia, where it is a very rare surname, the United States, where it is an extremely rare surname, and Brazil. Very seldom, Cirno is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cirno | Brazil, United States, Indonesia |
| sergio cirno bissi IT (b. 1902) |
|