Nedelchev (Bulgarian: Неделчев), female form Nedelcheva (Bulgarian: Неделчева), is a Bulgarian surname.
Notable people with this surname include:
- Deyan Nedelchev, Bulgarian pop singer
- Iliyan Nedelchev, Bulgarian footballer
- Mariya Gabriel (née Nedelcheva), Bulgarian politician
- Petya Nedelcheva, Bulgarian badminton player
- Radi Nedelchev, Bulgarian artist
- Stefan Nedelchev, Bulgarian footballer
- Yonko Nedelchev, Bulgarian footballer