List of subsidiary railways of the Canadian Pacific Railway

The Canadian Pacific Railway (CPR) owned several subsidiary railways. The CPR often built or acquired lines through subsidiaries. Many of these subsidiaries retained their identity for an extended amount of time, others were only on paper.

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• Ontario and Quebec Railway
• Toronto, Grey and Bruce Railway
• Toronto, Hamilton and Buffalo Railway
• Grand River Railway
• Lake Erie and Northern Railway
• Quebec Central Railway
• Kettle Valley Railway
• Kaslo and Slocan Railway
• Nakusp and Slocan Railway
• Columbia and Kootenay Railway
• Soo Line Railroad
• St. Lawrence and Hudson Railway
  • Delaware and Hudson Railway
• Esquimalt and Nanaimo Railway
• Canadian Atlantic Railway
  • International Railway of Maine
  • New Brunswick Railway
  • Dominion Atlantic Railway
  • DM&E