The following is a list of massacres that have occurred in Slovenia or its territory (numbers may be approximate):
| Name | Date | Location | Deaths | Notes | |
|---|---|---|---|---|---|
| Marburg's Bloody Sunday | Maribor | Possibly accidental or German provoked | |||
| Celje prison massacre | Celje | ||||
| Maribor prison massacre | Maribor | ||||
| Frankolovo crime | Frankolovo |