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, Morocco, India, Indonesia, Ethiopia |
| تاجي | Iran, Iraq, Egypt, Sudan, Algeria |
| Tajy | Morocco, Spain, Italy, United States, India |