Cognomen Arseny (Арсений 
, Арсеній , Arseny 
) , globally, is quite a rare family name. The cognomen Arseny is characteristic of Belarus, where it is quite a rare surname, Ukraine, and Kyrgyzstan. In absolute terms, this name is the most popular in Eastern Europe, particularly Russia, Ukraine, and Belarus. Predominantly, Arseny is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Арсений | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Арсеній | Ukraine, Belarus |
| Arseny | Russia, Rwanda, Belarus, United States, Democratic Republic of the Congo |
| ارسيني | Iraq, Iran |