Family name रितु (Ritu 
, रितु) , all around the world, is a common surname. The family name रितु is characteristic of Bangladesh, where it is quite a rare surname, Qatar, and Oman. In absolute terms, the name is most common in Bangladesh, India, and Malaysia. Much more frequently, रितु is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ritu | United Arab Emirates, Nepal, India, Bangladesh, United States |