Zirkel

Zirkel may refer to:

Ferdinand Zirkel (1838–1912), German geologist and petrographer
USS Zirkel (ID-3407), a cargo ship that served in the United States Navy from 1918 to 1919
Zirkel (Studentenverbindung), a symbol used in European Studentenverbindungen
Albert Zirkel (1885–?), American wrestler who competed in the 1904 Summer Olympics
Mount Zirkel
Dorsum Zirkel, a wrinkle ridge in Mare Imbrium on the Moon. It is 193 km long and was named after Ferdinand Zirkel in 1976