Cognomen Kalpas (Kalpas 
) , worldwide, is a very rare family name. The surname Kalpas is habitual in the United States, where it is an extremely rare surname, and India. Likewise, Kalpas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalpas | India, United States |
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ryszard kalpas Captain of the Polish Army, UZ (b. 1906) |
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rajmund kalpas Officer of the Polish Air Force, UZ (b. 1916) |
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| roland kalpas Pilot, engineer, aircraft constructor, officer of the Polish Army (1908-1994), PL (b. 1908) |
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| irena kalpas PL (b. 1915) |
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