Surname Ritno (Ritno 
) , all around the world, is a rare family name. The last name Ritno is habitual in South-eastern Asia, particularly Indonesia, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. More frequently, Ritno is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ritno | India, Indonesia, Malaysia |