Nallanthuvanar (Tamil: நல்லந்துவனார்), also known in full as Madurai Aasiriyar Nallanthuvanar (Tamil: மதுரையாசிரியர் நல்லந்துவனார்), was a poet of the Sangam period, to whom 39 verses of the Sangam literature has been attributed, in addition to verse 18 of the Tiruvalluva Maalai.