Kashi Prasad Jayaswal (27 November 1881 – 4 August 1937) was an Indian historian and lawyer. Jayaswal's works Hindu Polity (1918) and History of India, 150 A.D. to 350 A.D. (1933) are classics of ancient Indian historical literature. Among other things, he is credited with showing that Indian republics, based on the principles of representation and collective decision-making, were among the oldest and most powerful of the ancient world.