Dacus is a surname. Notable people with the surname include:
Donnie Dacus (born 1951), American musician Joseph A. Dacus (1838–1885), American author Kaye Dacus (born 1971), American fiction author Lucy Dacus (born 1995), American indie rock singer and guitarist Pence Dacus (1931–2019), American football player and coach Weston Dacus (born 1985), American footballer