Northern line (disambiguation)

• Campanhã railway station
• Dublin Suburban Rail
• Linha do Norte
• Nordland Line
• North Line (disambiguation)
• North London line
• Northern Airport Line
• Northern City Line
• Northern Limit Line
• Northern Line (Cape Town)
• Northern Line (Sydney)
• Northern Line (Thailand)
• Northern Line (group)
• Northern Railway (disambiguation)
• Northern line
• Northern line (Merseyrail)
• Northern line (Sri Lanka)
• Santa Apolónia railway station