Kulāmkātir̲u Nāvalar (19th century in Nagor, 1833 – 1908) was a Tamil poet. He was proficient in Tamil, Arabic and English. He wrote a wide range of literature, including poems, prose literature, three literary translations, two grammar books, and two other texts. His books were nationalized by the Tamil Nadu government in 2007. He composed many types of literature including Kappiyams, Kalambakams, Koivas, Anthadis, Malas, and text books. He was the first to bring the history of Nagor Nayak into a book (Kanjul Karamathu). One of his best students was Thiramalai Adigalar. Ghulam Kathiru was born in 1833 to the affluent Tamil Rowther family in Nagore. His father was Ayurveda Bhaskara Panditha Vappu Rowther. His ancestors came from Ramanathapuram district and settled in Nagore.