Prasanta Bihari Mukharji (1909 - 1984) was the 16th Chief Justice of the Calcutta High Court. He served from as Chief Justice between 1970 and 1972. He authored numerous books mainly on law and philosophy. Mukharji also held the Tagore Law Professorship at the Calcutta University.
Mukharji was the eldest son of Rai Bahadur Bejoy Bihari Mukharji. His youngest brother, Sabyasachi Mukharji, later became Chief Justice of India.
As a young lawyer he had been part of the legal team in the famous Bhawal case. Mukharji was the youngest lawyer in British India to have become a High Court judge.