List of highways numbered 394

Route 394 or Highway 394 may refer to:

Canada

 * Manitoba Provincial Road 394
 * Saskatchewan Highway 394

Japan

 * Japanese National Route Sign 0394.svg Japan National Route 394

United States

 * I-394.svg Interstate 394
 * Interstate 394 (Illinois) (possible future designation for Illinois Route 394)
 * Arkansas 394.svg Arkansas Highway 394
 * Colorado 394.svg Colorado State Highway 394
 * Illinois 394.svg Illinois Route 394
 * Iowa 394.svg Iowa Highway 394 (former)
 * MD Route 394.svg Maryland Route 394 (former)
 * New York:
 * NY-394.svg New York State Route 394
 * Erie County 394 NY.svg County Route 394 (Erie County, New York)
 * PA-394.svg Pennsylvania Route 394
 * Ellipse sign 394.svg Puerto Rico Highway 394
 * Tennessee 394.svgSecondary Tennessee 394.svg Tennessee State Route 394
 * Virginia 394.svg Virginia State Route 394