Horace Henry Ayres (31 July 1912 – 16 July 1987), better known as Harry Herbert Ayres and with his surname sometimes spelled Ayers, was a New Zealand mountaineer and guide, gardener.
He was born in Christchurch, New Zealand, on 31 July 1912.In the 1981 New Year Honours, Ayres was appointed an Officer of the Order of the British Empire, for services to mountaineering.