Family name Deness (Deness 
) , throughout the world, is a very rare cognomen. The cognomen Deness is habitual in the United States, where it is an extremely rare surname, the United Kingdom, and Nigeria. More prevalently, Deness is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Deness | Spain, Philippines, Nigeria, United States, Democratic Republic of the Congo |