Cognomen Istrin (Istrin 
, Истрин 
) , in the entire world, is a very rare surname. The last name Istrin is characteristic of Israel, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Russia. In absolute terms, this name is the most popular in Russia, the United States, and Israel. Much less frequently, Istrin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Istrin | Canada, Argentina, United States, India, Israel |
| Истрин | Russia, Kyrgyzstan |