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Waterloo, Virginia
Waterloo is located in Northern Virginia
Waterloo
Waterloo
Location within the Commonwealth of Virginia
Waterloo is located in Virginia
Waterloo
Waterloo
Waterloo (Virginia)
Waterloo is located in the United States
Waterloo
Waterloo
Waterloo (the United States)
Coordinates: 39°4′58″N 78°4′59″W / 39.08278°N 78.08306°W / 39.08278; -78.08306
Country United States
State Virginia
County Clarke
Time zoneUTC−5 (Eastern (EST))
 • Summer (DST)UTC−4 (EDT)

Waterloo is an unincorporated community in Clarke County in the U.S. state of Virginia. Waterloo is located at the crossroads of John Mosby Highway (U.S. Route 17/U.S. Route 50) and Lord Fairfax Highway (U.S. Route 340).