Family name Clemancia (Clemancia 
) , all around the world, is an extremely rare cognomen. The cognomen Clemancia is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname, and Mexico. More frequently, Clemancia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Clemancia | South Africa, Philippines, Mexico, India, Brazil |