Globally, Mercylina (Mercylina 
) is a rare female first name. The forename Mercylina is habitual in Philippines, where it is a rare feminine name, Nigeria, where it is a very rare female name, and India, where it is an extremely rare girly name. Also, Mercylina is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mercylina | Philippines, Nigeria, South Africa, India, Indonesia |