Zirkel
Zirkel may refer to:

Zirkel (Studentenverbindung), a symbol used in European student societies
Dorsum Zirkel, a wrinkle ridge in Mare Imbrium on the Moon
Mount Zirkel, in the Rocky Mountains of Colorado
USS Zirkel (ID-3407), a cargo ship that served in the United States Navy from 1918 to 1919
Albert Zirkel (1885–?), American wrestler who competed in the 1904 Summer Olympics
Ferdinand Zirkel (1838–1912), German geologist and petrographer