Last name Kalkus (Kalkus 
) , in all the world, is a rare cognomen. The cognomen Kalkus is characteristic of Czechia, where it is quite a rare surname, Austria, where it is a rare surname, and Poland. Not in comparison with a country's population, it most frequently occurs in Czechia, Poland, and Germany. Also, Kalkus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalkus | Czechia, Germany, United States, Poland, Austria |
|
władysław kalkus Polish officer, PL (b. 1892) |
|
| františek kalkus CZ (b. 1894) |
|
|
| jaroslav kalkus Czechoslovak member of Czechoslovak parliament, member of Czechoslovak national parliament and Czechoslovak politician, CZ (b. 1920) |
|
|
| stanislav kalkus CZ (b. 1931) |
|
|
| zdeněk kalkus Czechoslovak translator, CZ (b. 1951) |
|