Somendra Nath Mitra (31 December 1941 – 30 July 2020), popularly known as Somen Mitra, was an Indian politician. He was a member of the 15th Lok Sabha, elected from the Diamond Harbour constituency in West Bengal state in 2009. He was a member of the West Bengal Legislative Assembly from Sealdah from 1972 to 2006. He was the president of the state unit of the Indian National Congress.