Mount Ayliff is a small town in the eastern Eastern Cape province of South Africa, near that province's border with KwaZulu-Natal. In the census of 2011, its population was recorded as being 5,367 people, of whom 98% described themselves as "Black African", and 91.5% spoke Xhosa as their first language.
Mount Ayliff is located in the Umzimvubu Local Municipality, which is part of the Alfred Nzo District Municipality; it is the location of the headquarters of the latter.
Xesibeland, the traditional region of the Xesibe people, was located around Mount Ayliff. The Xesbe (one of the Xhosa groups) was led by Chief Jojo; Jojo today is the royal family and still the leading family in Mount Ayliff.