List of highways numbered 140

Route 140 or Highway 140 may refer to:

Canada

• New Brunswick Route 140
• Highway 140 (Ontario)
• Prince Edward Island Route 140

Japan

• Japan National Route 140

United States

• Interstate 140
• United States Route 140 (former)
• Alabama State Route 140
• California State Route 140
• Colorado State Highway 140
• Connecticut Route 140
• Georgia State Route 140
• Illinois Route 140
• Indiana State Road 140
• Iowa Highway 140
• K-140 (Kansas highway)
• Kansas Route 140
• Louisiana Highway 140
• Maine State Route 140
• Maryland Route 140
• Massachusetts Route 140
• M-140 (Michigan highway)
• Nevada State Route 140
• New Hampshire Route 140
• New Jersey Route 140
• New Mexico State Road 140
• New York State Route 140
• Ohio State Route 140
• Oregon Route 140
• Tennessee State Route 140
• Texas State Highway 140
  • Texas State Highway Spur 140
  • Farm to Market Road 140 (Texas)
• Utah State Route 140
• Vermont Route 140
• Virginia State Route 140
• West Virginia Route 140
• Wisconsin Highway 140