List of highways numbered 789

Canada

• Alberta Highway 789
• 
  Saskatchewan Highway 789

  United States

• U.S. Route 789
• Arizona [State Route 789]
• Colorado [State Highway 789]
• Florida [State Road 789]
• * County Road 789 (Manatee [County, Florida)]
• * County Road 789 (Sarasota County, Florida)
• ** County Road 789A (Sarasota County, Florida)
• Georgia State Route 789
• Louisiana Highway 789
• Mississippi Highway 789
• Montana Highway 789
• Nevada State Route 789
• New [Mexico State Road 789]
• Farm to Market Road 789
• Virginia State Route 789
• Wyoming Highway 789