Family name Macháč (Machac 
, Macháč ) , throughout the world, is quite a rare cognomen. The cognomen Macháč is habitual in Czechia, where it is quite a common surname, Slovakia, and Austria, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Czechia, Slovakia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Machac | Czechia, Austria, United States, India, Slovakia |
| Macháč | Czechia, Slovakia |
| antonín macháč teacher at a teaching institute in Brno, Czechia (1846-1935), CZ (b. 1846) |
|
|
| karel ludvík macháč CZ (b. 1867) |
|
|
| antonín macháč CZ (b. 1890) |
|
|
| oldřich macháč (b. 1913) |
|
|
| felicián josef macháč CZ (b. 1915) |
|
|
| jaroslav macháč Slovak soccer player, SK (b. 1945) |
|
|
| ľuboš macháč SK (b. 1959) |
|
|
| ladislav macháč (b. 1965) |
|
|
| jan macháč Czech canoeist |
|
|
| antonín macháč researcher (b. 1986) |
|
|
| david macháč CZ (b. 1982) |
|
|
| tomáš macháč Czech tennis player, CZ |
|
Jan, Jirka, Martin, Marcel, Michal, Patrik, Daniel, Jiří, Róbert, Juraj, Lukáš, Václav, Ondřej, Zdeněk, Miroslav, Bohuslav, Kryštof, Ladislav, Jaroslav, Tomáš, Vítězslav, Jozef, Jakub, Simy, Adam, Petr, Ján, Ivan, Igor, Marek, Milan, Josef, Aleš, Karel, Pavel, Peter, Radek, Roman, Denis, David, Jarda, Alois, and Vladimír