Windy Run

{{Use American English|date=February 2025}}

{{Infobox river

| name = Windy Run

| image = Windy Run.jpg

| image_size =

| image_caption = Windy Run near its confluence with the Potomac

| map =

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| pushpin_map = Virginia

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| pushpin_map_caption= Location of mouth

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| source1_location =

| mouth_location = Potomac River

| progression =

| subdivision_type1 = Country

| subdivision_name1 = United States

| subdivision_type2 = State

| subdivision_name2 = Virginia

| subdivision_type3 = County

| subdivision_name3 = Arlington County

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Windy Run is a small stream in Arlington County, Virginia. From its source near Lorcom Lane, Windy Run flows on a northeastern course and empties into the Potomac River within the Federal parklands of the George Washington Memorial Parkway.Coordinates of Windy Run at confluence with Potomac River: {{coord|38.90583|-77.09370|type:landmark|name=Windy Run at confluence with Potomac River}} Windy Run is surrounded predominantly by forests. It is known by many of the Arlington locals as simply "The Falls".