Sir Manmatha Nath Mukherjee (also spelt Mukherji or Mukerji; 28 October 1874 – 6 December 1942) was a Bengali judge of the Calcutta High Court and a distinguished jurist.
He was also the Law Member of the Viceroy's Executive Council and awarded Knighthood in 1935.
Manmatha Nath was the son-in-law of Bengali scholar Sir Gooroodas Banerjee.