Horbach is a surname. Notable people with the surname include:
Andrey Horbach (born 1985), Belarusian footballer Anna-Halya Horbach (1924–2011), Ukrainian literary critic Annika Horbach (born 1994), German badminton player Ariane Horbach (born 1993), German cyclist Eugene Horbach (1926–2004), American real estate developer Ihor Horbach (born 1968), Ukrainian water polo player Ihor Horbach (footballer) (born 2004), Ukrainian footballer Lance Horbach (born 1958), American politician Maksim Horbach (born 1983), Belarusian footballer