The following highways are numbered 39. For a list of roads called N39, see List of N39 roads.
I/39 Highway; Czech: Silnice I/39
Japan National Route 39
National Route 39
Interstate 39
Alabama State Route 39
Arkansas Highway 39
California State Route 39
Colorado State Highway 39
Connecticut Route 39
Florida State Road 39
Georgia State Route 39
Idaho State Highway 39
Illinois Route 39 (former)
Indiana State Road 39
Iowa Highway 39
K-39 (Kansas highway)
Kentucky Route 39
Louisiana Highway 39
Maryland Route 39
Massachusetts Route 39
M-39 (Michigan highway)
Minnesota State Highway 39
Mississippi Highway 39
Missouri Route 39
Montana Highway 39
Nebraska Highway 39
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New Jersey Route 39 (former)
New Mexico State Road 39
New York State Route 39
County Route 39 (Dutchess County, New York)
County Route 39 (Erie County, New York)
County Route 39 (Genesee County, New York) County Route 39 (Oswego County, New York)
County Route 39 (Rensselaer County, New York)
County Route 39 (Saratoga County, New York) County Route 39 (Schoharie County, New York) County Route 39 (St. Lawrence County, New York)
County Route 39 (Suffolk County, New York)
County Route 39 (Warren County, New York) County Route 39 (Wyoming County, New York)
County Route 39 (Yates County, New York)
North Carolina Highway 39
North Dakota Highway 39 (former)
Ohio State Route 39
Oklahoma State Highway 39
Oregon Route 39
Pennsylvania Route 39
South Carolina Highway 39
Tennessee State Route 39
Texas State Highway 39
Utah State Route 39
Virginia State Route 39
Virginia State Route 39 (1923–1933) (former) Virginia State Route 39 (1933-1940) (former)
West Virginia Route 39
Wisconsin Highway 39
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