Last name Delnon (Delnon 
) , all around the world, is a very rare surname. The family name Delnon is characteristic of Switzerland, where it is a rare surname, Germany, where it is an extremely rare surname, and the United Kingdom. Much less frequently, Delnon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Delnon | United Kingdom, Switzerland, United States, Germany, Philippines |
|
georges delnon Swiss theatre director, CH (b. 1958) |
|
| reto delnon Swiss ice hockey player (1924-1983), CH (b. 1924) |
|