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
Others Rote Brummer nickname of the Uerdingen railbus , a mercenary unit of the Empire of Brazil created to fight in the Platine War
See also Brumer (disambiguation) Brümmer