Surname אידלזון (Idelsohn 
, אידלזון 
) , throughout the world, is a very rare family name. The cognomen אידלזון is habitual in Israel, where it is a rare surname, Argentina, where it is a very rare surname, and Spain, where it is an extremely rare surname. In absolute terms, this name is the most popular in Argentina, Israel, and Brazil. Much less frequently, אידלזון is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Idelsohn | Brazil, United States, Spain, Argentina |
| אידלזון | Israel |