Cognomen شاشي (Shashi 
, Chachi 
, شاشي 
) , in the world, is a common family name. The cognomen شاشي is characteristic of Sri Lanka, where it is quite a rare surname, Mauritius, and United Arab Emirates. Not in comparison with a country's population, it most frequently occurs in Southern Asia, particularly India, Bangladesh, and Sri Lanka. Much more frequently, شاشي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Shashi | Ethiopia, Nepal, Sri Lanka, India, Bangladesh |
| Chachi | Ethiopia, Malaysia, Tanzania, United States, India |
| شاشي | Yemen, Algeria, Morocco |