Guido Machetto (28. 05. 1937 Biella - 24. 07. 1976 Tour Ronde) - Italian mountaineer and mountain guide. He was author of new routes in Alps and some difficult repeats of hard classics routes. In 1963 climb in Peruwian Ands (FA Nevado Terijuay). On 1974 and 1975 climb in Hindu Kusch (FA Tirich Mir West II, new route on Tirich Mir Main, ascent on Udren Zom). He climb on Tierra del Fuego in 1966. He was leader of expedition on Annapurna. Member of GHM.