Potomac () may refer to:

Places in the United States

Washington, D.C. area:

  • The Potomac River, which flows through West Virginia, Maryland, Virginia, and Washington, D.C.
  • The Potomac Highlands, a region of the Potomac River's watershed in West Virginia
  • Patowmack Canal, also spelled Potomac, a series of five inoperative canals in Maryland and Virginia
  • Potomac, Maryland, an unincorporated area in Montgomery County
  • Potomac Airfield, a general aviation airport in Fort Washington, Maryland
  • Potomac Park, Maryland, in Allegany County
  • Potomac, Virginia, an extinct town formerly located in Arlington County

Other places in the U.S.:

  • Potomac, Illinois, a village in Vermilion County
  • Potomac, Montana, an unincorporated community in Missoula County
  • Potomac, West Virginia, an unincorporated community

Companies

  • Potomac Company, a former infrastructure company
  • Epic Games, originally called Potomac Computer Systems, and American video game and software developer

Transportation

Trains

  • Potomac, a series of several former Amtrak passenger trains:
  • Potomac (Amtrak train)
  • Potomac Special
  • Potomac Turbo

Vessels

  • USS Potomac, one of six ships
  • Potomac (tug), a Patapsco Class tug built for Vane Brothers Company

Other uses

  • Patawomeck (or Potomac), a Native American tribe for whom the Potomac River was named
  • Army of the Potomac, a major Union army during the American Civil War
  • 1345 Potomac, an asteroid
  • Potomac Horse Fever, a disease in horses
  • Potomac Lake, an artificial lake in Gunnersbury Park, London
  • University of the Potomac, a degree-granting college based in Washington, D.C.
  • Potomak, a German record label