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.[1]
Nallanthuvanar was born as "Anthuvan" and was known for his erudition in Tamil language and astronomy. He was praised by poet Madurai Marudhan Ilanaganar.[2]
Nallanthuvanar has written 39 Sangam verse, including 4 in Paripaadal (verses 6, 8, 11, and 20), 1 in Agananuru (verse 43), 1 in Natrinai (verse 88), and 33 in Kalithogai, besides verse 18 of the Tiruvalluva Maalai.[2] In addition to composing the Kalithogai verses, he also compiled the work of Kalithogai and wrote its invocation verse.[3]