Epic Systems Corporation, or Epic, is a privately held healthcare software company. According to the company, hospitals that use its software held medical records of 54% of patients in the United States and 2.5% of patients worldwide in 2015.

Epic was founded in 1979 by Judith R. Faulkner with a $70,000 investment (equivalent to $250,000 in 2020). Originally headquartered in Madison, Wisconsin, Epic moved its headquarters to a large campus in the suburb of Verona, Wisconsin in 2005, where it employs 10,000 people as of 2019. The campus has themed areas/buildings, such as a castle-like structure, a "Wizard Campus" that appears to be inspired by J.K. Rowling's Harry Potter, and a dining facility designed to mimic a train station.