Worldwide, Katy Vanessa (Katy Vanessa 
) is a very rare epicene first name. The first name Katy Vanessa is characteristic of Latin America and the Caribbean, particularly the Dominican Republic, where it is a rare masculine name, and Peru, where it is a very rare female name. Very seldom, Katy Vanessa is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Katy Vanessa | Dominican Republic, Ecuador, Chile, Peru, Costa Rica |