Horáček (feminine Horáčková) is a Czech surname. Notable people with the surname include:

Horáček Jan Horáček (born 1979), Czech professional ice hockey player Judy Horacek (born 1961), Australian cartoonist, illustrator and writer Michal Horáček (born 1952), Czech entrepreneur, producer Michal Horáček (orienteer) (born 1977), Czech orienteering competitor Mike Horacek (born 1973), American football wide receiver Milan Horáček (born 1946), German politician, a founding member of the German Green Party, and a former MEP Petr Horáček (born 1974), Czech boxer Tony Horacek (born 1967), retired Canadian professional ice hockey left winger Tamara Horacek (born 1995), French handballer

Horáčková Barbora Horáčková (1969–2018), Czech archer Marie Horáčková (born 1997), Czech archer

See also Horák