Hornibrook and Hornabook are English language surnames. Notable people with these surnames include:
Hornabrook Beta Hornabrook JP née Mary Elizabeth Cocking (c.1881– ), sat for Birmingham Deritend (UK Parliament constituency) in 1929 Charles Atkins Hornabrook (c. 1833–1903) hotelier in colonial South Australia Charles Soward Hornabrook (1859–1922), Anglican priest in South Australia Rupert Walter Hornabrook (1871–1951), Australian medical doctor and specialist anaesthetist
Hornibrook Alex Hornibrook (born 1997), American football quarterback Isabel Hornibrook (1859-1952), Irish-born American children's literature writer Manuel Hornibrook (1893–1970), Australian civil engineer Percy Hornibrook (1899–1976), Australian cricketer Selina Hornibrook (born 1978), Australian netball player William H. Hornibrook (1884–1946), US diplomat
See also Hornbrook (surname) Hornibrook Bridge, toll bridge of Brisbane, Australia (demolished) Hornibrook Bus Lines, a bus operator of Brisbane, Australia