Surname Manuan (Manuan 
) , all around the world, is an extremely rare family name. The family name Manuan is habitual in Georgia, where it is a very rare surname, Philippines, where it is an extremely rare surname, and India. Much more frequently, Manuan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Manuan | Philippines, India, France, Georgia, United States |