Cognomen Геронимус (Geronimus 
, Геронимус 
) , around the globe, is a rare last name. The family name Геронимус is habitual in Russia, where it is a rare surname, Kazakhstan, and France, where it is a very rare surname. Very seldom, Геронимус is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Geronimus | France, India, United States, Germany, Russia |
| Геронимус | Russia, Kazakhstan, Kyrgyzstan |
Heronimus, Heronymus, and Hyeronimus
|
геронимус, александр юрьевич Russian mathematician, RU (b. 1945) |
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| геронимус, яков лазаревич Russian mathematician, RU (b. 1898) |
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