Hornsby may refer to:
Places Hornsby, Cumbria, a place in Cumbria, Northern England Hornsby, New South Wales, a suburb of Sydney, Australia Hornsby railway station Hornsby Shire, New South Wales, local government area of Sydney Electoral district of Hornsby, a seat in the New South Wales Legislative Assembly located in the region Hornsby Plateau, north of Sydney Hornsby, Tennessee in the United States of America Hornsby Mountains in the Falkland Islands Hornsby (crater) on the Moon Hornsby Spring, a 1st magnitude spring in Alachua County, Florida
Other uses Hornsby (surname) Richard Hornsby & Sons, engine manufacturers Ruston & Hornsby, manufacturer in England Hornsby Brand Design, branding, design, and advertising firm
See also Hornby (disambiguation) Hornsby Heights, New South Wales, a suburb of Sydney, Australia