Route 205 or Highway 205 may refer to:
Canada Manitoba Provincial Road 205 New Brunswick Route 205 Newfoundland and Labrador Route 205 Nova Scotia Route 205 Prince Edward Island Route 205 Quebec Route 205
China China National Highway 205
Costa Rica National Route 205
India National Highway 205 (India)
Japan Japan National Route 205
Thailand Thailand Route 205 (Suranarai Road)
United Kingdom road B205 road
United States Interstate 205 Alabama State Route 205 Connecticut Route 205 Florida State Road 205 (former) Georgia State Route 205 (former) Indiana State Road 205 Iowa Highway 205 (former) K-205 (Kansas highway) Kentucky Route 205 Maine State Route 205 M-205 (Michigan highway) (former) Montana Secondary Highway 205 New Mexico State Road 205 New York State Route 205 North Carolina Highway 205 Ohio State Route 205 Oregon Route 205 Pennsylvania Route 205 (former) Tennessee State Route 205 Texas State Highway 205 Texas State Highway Loop 205 Utah State Route 205 (former) Virginia State Route 205 Territories Puerto Rico Highway 205