Cognomen Erdősi (Erdősi 
) , around the globe, is a rare family name. The cognomen Erdősi is habitual in Hungary, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Erdősi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Erdősi | Hungary, United States |
|
imre erdősi SK (b. 1814) |
|
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erdősi dezső HU (b. 1875) |
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| erdősi istván association football player (1943-1998), HU (b. 1943) |
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| erdősi ildikó Hungarian handball player, HU (b. 1989) |
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