Kalmar is a city in Småland, Sweden.

Kalmar may also refer to:

Kalmar Airport, Sweden Kalmar County, Sweden Kalmar Municipality, Sweden Kalmar Union, a Scandinavian political union of the Middle Ages Kalmar Verkstad, a Swedish train and automobile manufacturer Kalmar, Iran, a village in Mazandaran Province, Iran Kalmar (surname), several people

Also: Kalmar, a division of Cargotec manufacturing machines for ports

See also Calmar (disambiguation)