Larnach

Larnach may refer to:

People

 * Guy Larnach-Nevill, 4th Marquess of Abergavenny (1883–1954), British peer
 * James Walker Larnach (1849–1919), owner of Jeddah, winner of the 1898 Derby
 * John Larnach (1805–1869), father of William Larnach and overseer for James Mudie
 * Mike Larnach (born 1952), Scottish footballer
 * Trevor Larnach (born 1997), American baseball player
 * William Larnach (1833–1898), New Zealand businessman and politician known for building Larnach Castle

Other uses

 * Larnach Castle, in Dunedin, New Zealand