N. Rajangam was an Indian politician and former Minister for Harijan Welfare (Tamil Nadu Government) and former Member of Parliament, Rajya Sabha.
Born in 1920 in the village of Karunguzhi in (then South Arcot District) Cuddalore district, Mr. Rajangam started in public life as a member and organizer in the Nandanar movement.
In 1937, he was arrested for his participation in Anti-Hindi agitations of Tamil Nadu (Mozhi Por), a movement against the imposition of Hindi as a compulsory language.
Mr. Rajangam started his professional life as the warden at Nandanar high school, Chidambaram.
Later in 1984 he was elected to the Rajya Sabha as a Member of Parliament from Tamilnadu and served in various consultative committees in the department of Railways, Steel & Industries, Coal and Mines, etc.