Family name Uhliar (Uhliar 
) , worldwide, is a rare surname. The surname Uhliar is habitual in Slovakia, where it is quite a rare surname, Czechia, where it is a rare surname, and Netherlands, where it is a very rare surname. In absolute terms, it most frequently occurs in Slovakia, Czechia, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Uhliar | Germany, Slovakia, Czechia, United States, Netherlands |