Brummer
Brummer may refer to:
People
- Brummer (surname)
 - Brummer Badenhorst (born 1990), South African rugby union player
 
Ships
- Brummer class cruiser, a class of two Imperial German Navy light mine-laying cruisers of World War I
- SMS Brummer, lead ship of the class
 
 - German training ship Brummer, a German World War II ship
 - HNoMS Olav Tryggvason, a Royal Norwegian Navy ship captured by the Germans in World War II and renamed Brummer
 
Other
Rote Brummer nickname of the Uerdingen railbus