Kalmar may refer to:
- Kalmar, a city in Småland, Sweden
- Kalmar, Iran, a village in Mazandaran Province, Iran
- 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 (surname), several people
| This disambiguation page lists articles associated with the title Kalmar.
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