Surname Кржичка (Кржичка 
, Křička 
) , around the world, is a very rare cognomen. The family name Кржичка is characteristic of Eastern Europe, particularly Czechia, where it is a rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Кржичка | Ukraine |
| Křička | Czechia |