Surname طهران (طهران 
, Thran 
) , throughout the world, is a rare cognomen. The last name طهران is characteristic of Germany, where it is a rare surname, Iraq, and Singapore. Measured by absolute frequency, it is commonest in Germany, the United States, and Iraq. Also, طهران is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| طهران | Yemen, Syria, Iraq, Iran |
| Thran | Germany, Malaysia, United States, India, Canada |