Surname Atwaroo (Atwaroo 
) , globally, is a very rare cognomen. The surname Atwaroo is habitual in Trinidad and Tobago, where it is quite a rare surname, Mauritius, and the United States, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Trinidad and Tobago, Mauritius, and China. Also, Atwaroo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Atwaroo | China, Mauritius, United States, India, Trinidad and Tobago |