Family name تاجي (Taji 
, تاجي 
, Tajy 
) , globally, is a common cognomen. The cognomen تاجي is characteristic of Iran, where it is quite a rare surname, Morocco, and United Arab Emirates. Measured by absolute frequency, it is commonest in Iran, India, and Morocco. Also, تاجي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Taji | Tanzania, Ethiopia, India, Morocco, Indonesia |
| تاجي | Iran, Sudan, Algeria, Iraq, Egypt |
| Tajy | Spain, India, United States, Morocco, Italy |