Route 205 or Highway 205 may refer to:
Canada
China
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Costa Rica
India
Japan
Thailand
Thailand Route 205 (Suranarai 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
Utah State Route 205 (former)
Virginia State Route 205
- Territories
| Preceded by 204 | Lists of highways 205 | Succeeded by 206 |