Around the globe, セダ (Seda 
, Theda 
, セダ 
) is a widespread feminine forename. The given name セダ is characteristic of Western Asia, particularly Turkey, where it is a common girly name, Georgia, where it is quite a common girly name, and Armenia, where it is quite a rare girly name. In absolute terms, it is the most numerous in Turkey, the United States, and Georgia. Much less frequently, セダ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Seda | Ethiopia, Philippines, United States, Turkey, India |
| Theda | United States, Germany, Democratic Republic of the Congo, India, Indonesia |
| セダ | Japan |