Cognomen Шелдон (Sheldon 
, Cheldon 
, Шелдон 
) , around the world, is a common last name. The cognomen Шелдон is characteristic of the United Kingdom, where it is quite a rare surname, the United States, and New Zealand. In absolute terms, it is the most numerous in the United States, the United Kingdom, and Australia. Likewise, Шелдон is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sheldon | South Africa, Canada, Jamaica, United Kingdom, United States |
| Cheldon | South Africa, Canada, United Kingdom, United States, Democratic Republic of the Congo |
| Шелдон | Russia, Ukraine |
| Shahdon | United States, Malaysia |