C12 is an untarred highway in southern Namibia. It starts in Seeheim and ends 130 kilometres (81 mi) later in Grünau. In Grünau, the B1 and B3 roads can be accessed.

C12 road shield}}
C12 road
Major junctions
South end B1 at Grünau
Major intersections C37 near Holoog
North end B4 at Seeheim
Location
CountryNamibia
Highway system
C11 C13