Cognomen Sinhji (Sinhji 
) , in all the world, is a very rare family name. The cognomen Sinhji is characteristic of India, where it is an extremely rare surname, and the United States. Much less frequently, Sinhji is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sinhji | India, United States |
| hh sri mahendra sinhji, maharaja of morvi (1918-1957) (b. 1918) |
|