Tathagata Satpathy (born 1 April 1956) was a member of the 12th, 14th, 15th and 16th Lok Sabha of India. He represented the Dhenkanal constituency of Odisha, and was re-elected for the fourth time in 2014. He was a member of the Biju Janata Dal (BJD) political party, and the party's chief whip in the Lok Sabha. He took voluntary retirement from politics in March 2019. He is not an active politician ever since.

Tathagata Satpathy is the second son of former Odisha Chief Minister Nandini Satpathy and Devendra Satpathy. He is the owner and editor of the daily Odia newspaper, Dharitri, and the English daily, Orissa Post.

Tathagata educated at St. Columba's School in New Delhi and Sri Aurobindo International Centre of Education, Pondicherry, he has studied Philosophy, English and French. He had done his mother language, Oriya, by self study.

Tathagata entered active politics in the mid 70s as a teenager opposing the Emergency clamped by the Indian National Congress (INC).

While both his parents were long time Congress members, Tathagata has been opposed to that political party since before his career in electoral politics began early.

He joined active politics in the late 1980s when Sri Biju Patnaik took him into the Janata Party and he got elected to the Odisha Legislative Assembly and became an MLA in 1990. While his party kept changing its name from Janata Party to Janata Dal and later Biju Janata Dal, but he never changed his party.

He went on to become a Four term Member of Parliament till 2019 by winning the Dhenkanal-Angul Lok Sabha seat in 1998, 2004, 2009 and 2014 general elections.

His nephew Suparno Satpathy had unsuccessfully contested him in 2014 for the office of MP Lok Sabha, Dhenkanal.