Sonntagberg (disambiguation)
Sonntagberg is the name of the following places:
- Sonntagberg , market town in the Amstetten district, Lower Austria
- Sonntagberg (municipality of Kremsmünster) , district of Kremsmünster , Kirchdorf district, Upper Austria
- Sonntagberg (municipality of Proleb) , district of Proleb , Leoben district, Styria