Calmar can refer to:
*''
Calmar'', a genus of
planthopper
A planthopper is any insect in the infraorder Fulgoromorpha, in the suborder Auchenorrhyncha, a group exceeding 12,500 described species worldwide. The name comes from their remarkable resemblance to leaves and other plants of their environment ...
s
*
Calmar, Iowa
Calmar is a city in Winneshiek County, Iowa, United States. The population was 1,125 at the 2020 census. It is at the junction of U.S. Route 52 and State highways 150 and 24, with both state routes terminating in Calmar.
History
Calmar was platt ...
, United States, a town in Winneshiek County, Iowa
*
Calmar, Alberta
Calmar is a town in central Alberta, Canada. It is located in Leduc County, on Highway 39, southwest from Edmonton. It was named in 1900 for Kalmar, Sweden, the home town of its first postmaster, C. J. Blomquist.
Geography
Climate
Calmar ex ...
, Canada
*
Calmar ratio, a calculation of investment performance
*
Kalmar, Sweden
**
Kalmar Union
The Kalmar Union (Danish language, Danish, Norwegian language, Norwegian, and sv, Kalmarunionen; fi, Kalmarin unioni; la, Unio Calmariensis) was a personal union in Scandinavia, agreed at Kalmar in Sweden, that from 1397 to 1523 joined under ...
(1397-1523), a personal union that joined under a single monarch the kingdoms of Denmark, Norway and Sweden
{{disambig, geo