The following highways are numbered 329:

Australia

• Holmes Road

Canada

• Nova Scotia Route 329
• Quebec Route 329

China

• China National Highway 329

Costa Rica

• National Route 329

Japan

• Japan National Route 329

United States

• Arkansas Highway 329
• Florida State Road 329
• Georgia State Route 329
• Indiana State Road 329 (former)
• Kentucky Route 329
  • 
    Kentucky Route 329 Bypass
• Louisiana Highway 329
• Maryland Route 329
• Minnesota State Highway 329
• New Mexico State Road 329
• New York:
  • New York State Route 329
  • County Route 329 (Erie County, New York)
• Ohio State Route 329
• Pennsylvania Route 329
• Puerto Rico Highway 329
• South Carolina Highway 329
• Tennessee State Route 329
• Texas:
  • Texas State Highway 329
  • Farm to Market Road 329
• Virginia State Route 329