Larnach
Larnach may refer to:
People
- Guy Larnach-Nevill, 4th Marquess of Abergavenny, British peer
- James Walker Larnach, owner of Jeddah, winner of the 1898 Derby
- John Larnach, father of William Larnach and overseer for James Mudie
- Mike Larnach, Scottish footballer
- Trevor Larnach, American baseball player
- William Larnach, New Zealand businessman and politician known for building Larnach Castle
Other uses
- Larnach Castle, in Dunedin, New Zealand