Family name التر (التر 
, Altr 
) , across the world, is a rare surname. The cognomen التر is habitual in Sudan, where it is a rare surname, Saudi Arabia, and Egypt, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Sudan, Egypt, and Indonesia. Also, التر is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| التر | Sudan, Iraq, Egypt, Libya |
| Altr | Indonesia, Saudi Arabia, Italy, Spain, India |