Route 705, or Highway 705, may refer to:

• New Brunswick Route 705
• Saskatchewan Highway 705

• National Route 705

• National Highway 705

• A705 road (Great Britain)

• Interstate 705
• Florida State Road 705
• Georgia State Route 705 (former)
• Kentucky Route 705
• Louisiana Highway 705
• Maryland Route 705
• Nevada State Route 705
• County Route 705 (Camden County, New Jersey)
  • County Route 705 (Cumberland County, New Jersey)
  • County Route 705 (Gloucester County, New Jersey)
  • County Route 705 (Hudson County, New Jersey)
  • County Route 705 (Passaic County, New Jersey)
• North Carolina Highway 705
• Ohio State Route 705
• Farm to Market Road 705
• Virginia State Route 705
• West Virginia Route 705

Territories

• Puerto Rico Highway 705