Sachchidananda Sinha (10 November 1871 – 6 March 1950) was an Indian lawyer, statesman, administrator and educationist.

[2][3] Sinha was born on 10 November 1871 in Arrah, in Bengal Presidency (in present-day Bihar) into a well-to-do Srivastava Kayastha family who had served for several generations for Dumraon Raj estate.

Following his return from London, Sinha began a movement for a separate province of Bihar with a small group of others.

[8] In his early years, Sinha was a member of the Indian National Congress, from 1899 till 1920, serving one term as secretary.

His works included Some Eminent Indian Contemporaries and Iqbal: The Poet and His Message (1947).