Řezníček (feminine: Řezníčková) is a Czech patronymic surname, a diminutive from 'Řezník' and here meaning "Řezník junior". Notable people with the surname include:

Dalibor Řezníček (1991), Czech ice hockey player Emil von Reznicek (1860–1945), Austrian composer Ferdinand von Řezníček (1868–1909), Austrian painter and illustrator Franz Reznicek (born 1903, date of death unknown), Austrian architect Jakub Řezníček (born 1988), Czech footballer Milan Řezníček (born 1947), Czech volleyball player Pavel Řezníček (1942–2018), Czech writer

See also