heterodont

thumb|Tooth shape changes within the jaw (homodont to heterodont). Scanning electron microscope|SEMs of adult lower jaws. (A) Homodont unicuspid snake, [[Python molurus, (B) homodont gecko, Paroedura picta, (C) homodont tricuspid Monitor lizard, Varanus niloticus, (D) heterodont anole, Anolis allisoni. (D′) Tricuspid teeth of the posterior jaw at the back of the mouth. (D″) Unicuspid teeth of the anterior jaw at the front of the mouth. Scale bar = 1 mm (A–D) and 200 μm (D′,D″).]]

In anatomy, a heterodont (from Greek, meaning 'different teeth') is an animal which possesses more than a single tooth morphology. Human dentition is heterodont and diphyodont as an example.