Last name Udicki (Udicki 
) , globally, is a rare surname. The surname Udicki is habitual in Serbia, where it is quite a rare surname, Croatia, where it is a rare surname, and Canada, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Serbia, the United States, and Croatia.
| VARIANT | COUNTRY |
|---|---|
| Udicki | Serbia, Canada, United States, Germany, Croatia |