Machač or Macháč (Czech feminine: Machačová or Macháčová) is a Czech surname. Notable people with the name include:
Božena Machačová-Dostálová (1903–1973), Czech politician Jan Macháč, Czech canoeist Jarmila Machačová (born 1986), Czech racing cyclist Jaroslav Machač (born 1926), Czech speedway rider Oldřich Machač (1946–2011), Czech ice hockey player Patrik Machač (born 1994), Czech ice hockey player Tomáš Macháč (born 2000), Czech tennis player
See also
MacHack