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 | United Kingdom, South Africa, United States, Canada, Jamaica |
| Cheldon | United Kingdom, South Africa, United States, Canada, Democratic Republic of the Congo |
| Шелдон | Russia, Ukraine |
| Shahdon | Malaysia, United States |