North Line

North Line may refer to:
 * Far North Line, Scotland
 * Gjøvik Line, Norway
 * Main North Line, New Zealand
 * Main North railway line, New South Wales, Australia
 * Milwaukee District/North Line, Illinois, United States
 * Northern line (underground railway), London, England
 * North Line, Chennai Suburban, India
 * North Line (METRORail), Houston, Texas, United States
 * North-Link Line, Taiwan
 * Nordbanen, Denmark
 * Sounder North Line, Washington, United States
 * Union Pacific/North Line, Illinois, United States
 * West North Line, Chennai Suburban, India