Worldwide, Rotonda (Rotonda 
, Rotunda 
) is a rare primarily female, but very seldom masculine first name. The forename Rotonda is characteristic of Italy, where it is a very rare feminine name, and the United States, where it is a very rare dominantly girly, but infrequently male name. More frequently, Rotonda is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rotonda | Italy, Mexico, Switzerland, United States, Argentina |
| Rotunda | Germany, United Kingdom, Italy, United States, Canada |