Natarajan Somasundaram (11 May 1937 – 14 November 1997), also known as, N. V. N. Somu, was an Indian politician, former Minister of State for Defence & Member of Parliament elected from Tamil Nadu. He was elected to the Lok Sabha as a Dravida Munnetra Kazhagam (DMK) candidate from North Chennai constituency in 1984 and 1996 elections.