All over the world, Nonatus (Nonatus 
) is a very rare male forename. The first name Nonatus is characteristic of Tanzania, where it is a very rare boy's name, Philippines, and India, where it is an extremely rare male name. Very seldom, Nonatus is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Nonatus | Philippines, India, United States, Tanzania, Nigeria |