Żaczek
Żaczek and Zaczek are Polish surnames. "Żaczek" is a diminutive from "żak", an archaic term for "student"
Notable people with the surnames include:
- Artur Zaczek, Polish sprinter
- Jarosław Żaczek, Polish politician
- , Polish politician, statesman and lawyer
- , Polish actress and educator
- Zenobia Żaczek, Polish activist