Family name Сару (Saru 
, Saroo 
, Sarou 
) , worldwide, is a common last name. The family name Сару is characteristic of Nepal, where it is quite a common surname, Qatar, and Libya, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in Nepal, India, and Indonesia. Also, Сару is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saru | Nepal, Kenya, Saudi Arabia, India, Indonesia |
| Saroo | Malaysia, Sudan, Libya, Saudi Arabia, India |
| Sarou | India, Tunisia, Algeria, Morocco, Pakistan |
| Сару | Russia, Kazakhstan, Kyrgyzstan |
Цатрян, and Ермуханова