Vačkář, feminine: Vačkářová is a Czech language surname. Notable people with the surname include:
People Dalibor Cyril Vačkář (1906–1984), Czech composer Václav Vačkář (1881–1954), Czech composer Vladimír Vačkář (born 1949), Czech cyclist
See also
Vackář oscillator, wide range variable frequency oscillator