Perunna is a suburb of Changanassery, Kerala, India. Perunna is located approximately 0.8 kilometres south of the town centre, at the intersection of the State Highway 1 and the State Highway 11. Perunna is the headquarters of the Nair Service Society (NSS), and the birthplace of the famous 20th century social reformer and freedom fighter Mannathu Padmanabhan, founder of NSS. It is also the birthplace of the famous poet Ulloor S. Parameswara Iyer.