Around the globe, Teresa Ana (Teresa Ana 
) is a rare principally feminine, but very seldom masculine first name. The first name Teresa Ana is habitual in Cuba, where it is a rare feminine name, Chile, and Spain, where it is a rare mostly girly, but uncommonly male name. Much less frequently, Teresa Ana is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Teresa Ana | Chile, Spain, Peru, Cuba, Ecuador |