The following highways are numbered 149:

• Prince Edward Island Route 149

• National Route 149

• National Highway 149 (India)

• Japan National Route 149

• A149 road
• B149 road

• Alabama State Route 149
• Arkansas Highway 149
• California State Route 149
• Colorado State Highway 149
• Connecticut Route 149
• Florida State Road 149 (former)
• Georgia State Route 149
• Illinois Route 149
• Indiana State Road 149
• Iowa Highway 149
• K-149 (Kansas highway)
• Kentucky Route 149
• Louisiana Highway 149
• Maine State Route 149
• Massachusetts Route 149
• M-149 (Michigan highway)
• Minnesota State Highway 149
• Mississippi Highway 149
• Missouri Route 149
• New Hampshire Route 149
• New York State Route 149
• North Carolina Highway 149
• Ohio State Route 149
• Oklahoma State Highway 149
• Pennsylvania Route 149 (former)
• Tennessee State Route 149
• Texas State Highway 149
  • Texas State Highway Loop 149
  • Farm to Market Road 149 (Texas)
• Utah State Route 149
• Vermont Route 149
• Virginia State Route 149
• Wisconsin Highway 149 (former)

Territories:

• Puerto Rico Highway 149
  • Puerto Rico Highway 149R