Manonmaniyam P. Sundaranar (4 April 1855 – 26 April 1897) was an Indian scholar, noted for the famous Tamil drama Manonmaniyam. as well as the state song of Tamil Nadu Tamil Thai Valthu.
He was born in the area of Alleppey in Travancore, to Perumal and Madathi Ammal ((மாடத்தி அம்மாள்). Sundaranar studied religious literature such as Tevaram, Thiruvasagam during his childhood. Nagapattinam Narayana Samy was his Tamil language teacher. He completed his B.A. in 1876 and in the following year, he married Sivagami Ammal ( சிவகாமி அம்மாள்).
Sundaranar became a Member of Fellow of Royal Historical Society (FRHS). To honor his accomplishments South Indian historical research, the Madras Government gave him the title of 'Rao Bhagadur' in 1896.
He was awarded an honorary doctorate by a German university.
He died of diabetes on 26 April 1897, at age 42.