Horncastle (disambiguation)
Horncastle is a town in Lincolnshire, England.
Horncastle may also refer to:
Places
- Horncastle, Berkshire, a suburb of Reading, England
- Horncastle, Ontario, Canada
People
- James Horncastle, writer
- John Horncastle, a bishop
- Tristan Horncastle, songwriter
- William Horncastle, cricketer
Other
- R v Horncastle [2009] UKSC 14, a decision of the UK Supreme Court