Surname سيدهارث (Siddharth 
, سيدهارث) , around the world, is quite a rare last name. The cognomen سيدهارث is habitual in United Arab Emirates, where it is a rare surname, Singapore, and Kuwait. Not in comparison with a country's population, it is the most numerous in India, Bangladesh, and United Arab Emirates. Predominantly, سيدهارث is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Siddharth | United Arab Emirates, Australia, Nepal, United States, India |