Dheeran Chinnamalai (Tamil: தீரன் சின்னமலை born as Theerthagiri Sarkkarai Mandraadiyaar [Sarkkarai Mandraadiyaar Refers Payiran Kulam] or Theerthagiri Gounder on April 17, 1756) was a Kongu chieftain and Palayakkarar from Tamil Nadu who rose up in revolt against the British East India Company in the Kongu Nadu, Southern India. He was born in Melapalayam, near Erode in the South Indian state of Tamil Nadu.
He was one of the main leaders in the Polygar Wars and commanded a vast army, notably during the Second Polygar War that took place in 1801–1802. A thousand-strong army under him took French Military training in modern warfare alongside Tipu's Mysore forces to fight against the British East India company. They helped Tipu Sultan in his war against the British and were instrumental in victories at Chitheswaram, Mazahavalli and Srirangapatna.
- Theeran Chinnamanlai Gounder by Pulavar S. Rasu, Samba Publications, 152 Peters Road, Chennai, India 600 086, 1996.
- Knogu Nattu Lion Singham Theeran Chinnamalai by Kavignar Magudam Manickam, Sakunthla Publications, Rangoli Graphics, 329 E.V.N.Road, Erode, TH, India 638 009, year 2001.