Potomac

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

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 commissioned by Lionel Nathan Rothschild.
 * University of the Potomac, a degree-granting college based in Washington, D.C.
 * Potomak