The following highways are numbered 189:

• Japan National Route 189

• Interstate 189
• U.S. Route 189
• Alabama State Route 189
• Arizona State Route 189
• California State Route 189
• Connecticut Route 189
• Florida State Road 189
• Georgia State Route 189
• K-189 (Kansas highway)
• Kentucky Route 189
• Maine State Route 189
• Maryland Route 189
• Massachusetts Route 189
• M-189 (Michigan highway)
• New Mexico State Road 189
• New York State Route 189
• Ohio State Route 189
• Pennsylvania Route 189 (former)
• Tennessee State Route 189
• Texas State Highway 189 (former)
  • Ranch to Market Road 189 (Texas)
• Utah State Route 189 (former)
• Virginia State Route 189
• Wisconsin Highway 189 (former)

Territories:

• Puerto Rico Highway 189