Around the world, Ritnoo (Ritnoo 
) is a very rare principally boy's, but very seldom girly forename. The first name Ritnoo is habitual in South-eastern Asia, particularly Indonesia, where it is a very rare masculine name. Much less frequently, Ritnoo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ritnoo | Indonesia, Thailand, India |