Harekrushna Mahatab  (21 November 1899 – 2 January 1987) was a leader of the Indian National Congress, a notable figure in the Indian independence movement and the Chief Minister of Odisha from 1946 to 1950 and again from 1956 to 1961. He was popularly known by the sobriquet Utkal Keshari.

Mahatab was the first Chief Minister of Odisha from 23 April 1946 to 12 May 1950. He was the Union Minister of Commerce and Industry from 1950 to 1952. He became the secretary general of the Congress Parliamentary Party in 1952.

He was the President of Orissa Sahitya Academy and Sangit Natak Academy for a couple of terms. He received an honorary Doctorate degree from Andhra University, an honorary D.Litt. from Utkal University and an honorary Doctorate of Law from Sagar University.