Surname Diannis (Diannis 
) , worldwide, is a very rare last name. The surname Diannis is characteristic of Greece, where it is a rare surname, Venezuela, and Israel, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Venezuela, Greece, and the United States. Also, Diannis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Diannis | Greece, Dominican Republic, Venezuela, United States, Colombia |