Septemvriytsi may refer to:
- In Bulgaria (written in Cyrillic as Септемврийци):
- Septemvriytsi, Dobrich Province - a village in the Kavarna municipality, Dobrich Province
- Septemvriytsi, Montana Province - a village in the Valchedram municipality, Montana Province
- Septemvriytsi, Vidin Province - a village in the Dimovo Municipality, Vidin Province