The following highways are numbered 297:

• Quebec Route 297

• Japan National Route 297

• Interstate 297 (unbuilt)
• Alabama State Route 297
• Arkansas Highway 297
• Florida State Road 297
• Georgia State Route 297
• Iowa Highway 297 (former)
• Kentucky Route 297
• Maryland Route 297
• Minnesota State Highway 297
• Montana Secondary Highway 297
• New York:
  • New York State Route 297
  • County Route 297 (Erie County, New York)
• North Dakota Highway 297
• Ohio State Route 297
  • Ohio State Route 297 (former)
• Pennsylvania Route 297
• Tennessee State Route 297
• Texas State Highway 297 (former)
  • Texas State Highway Spur 297
  • Farm to Market Road 297
  • Urban Road 297 (signed as Farm to Market Road 297)
• Utah State Route 297 (former)