Around the world, Mornu (Mornu 
, Morno 
) is a rare unisex given name. The first name Mornu is habitual in Nigeria, where it is a very rare gender-neutral name, and India, where it is an extremely rare gender-neutral name. Likewise, Mornu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mornu | France, United States, India, Nigeria |
| Morno | Colombia, China, Mexico, United States, Nigeria |