Surname Неделчо (Неделчо 
, Nedelcho 
) , in the entire world, is quite a rare cognomen. The family name Неделчо is habitual in Bulgaria, where it is quite a common surname, North Macedonia, where it is a rare surname, and Greece, where it is a very rare surname. Likewise, Неделчо is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Неделчо | Russia, Ukraine, Bulgaria |
| Nedelcho | Greece, Germany, North Macedonia, Bulgaria, United Kingdom |