This list of tunnels in Canada includes any road, rail or waterway tunnel in Canada.
Alberta
97 Avenue Tunnel, Edmonton, under Alberta Legislature Grounds
Airport Tunnel, Calgary under Calgary International Airport
Edmonton Radial Railway Society Tunnel (Old CPR Rail Tunnel), Edmonton under 109 Street.
British Columbia
Road tunnels: Cassiar Tunnel, Vancouver Elko Tunnel, near Fernie Fraser Canyon Tunnels Saddle Rock Tunnel Sailor Bar Tunnel Hell's Gate China Bar Tunnel Yale Tunnel Alexandra Tunnel Ferrabee Tunnel George Massey Tunnel, Vancouver Iron Gates Tunnel, near Radium Hot Springs
Railway tunnels: Big Hill Spiral Tunnels Bulldog Tunnel, West Kootenay Connaught Tunnel, under Selkirk Mountains Dunsmuir Tunnel, Vancouver Esquimalt and Nanaimo Railway Tunnel, located between Langford and Malahat Lonsdale Tunnel, Vancouver Mount Macdonald Tunnel, near Rogers Pass Quintette Tunnels, near Hope Thornton Tunnel, Burnaby
Various tunnel sections of Canada Line
Tunnel section of the Evergreen Extension between Burquitlam and Port Moody stations
Ontario
Road tunnels: The "Airport Tunnel" (Basketweave), Mississauga Detroit-Windsor Tunnel, Windsor Cst. Robert C. Carrick and Sr. Cst. John Atkinson Memorial Tunnels, Windsor Highway 404-401 Interchange Tunnel, Toronto Main Street Tunnel, Welland Simcoe Street Tunnel, Toronto Thorold Tunnel
Railway tunnels: Brockville Tunnel Michigan Central Railway Tunnel, Windsor Mink Tunnel, Marathon, Ontario St. Clair Tunnel Townline Tunnel
Pedestrian tunnels: Pedestrian tunnel at Billy Bishop Toronto City Airport An extensive system of tunnels links the buildings of Carleton University Pedestrian tunnels connecting various buildings at York University Pedestrian tunnel connecting Spadina (TTC) stations. The PATH in Downtown Toronto.
Quebec
Road tunnels: Airport Tunnel, Montreal under Montréal–Trudeau International Airport Atwater Tunnel, Montreal Dufferin–Champlain Tunnel, Quebec City Joseph Samson Bridge–Tunnel, Quebec City Louis Hippolyte Lafontaine Bridge–Tunnel, Montreal Melocheville Tunnel, Beauharnois Notre-Dame-de-Grâce Tunnel, Montreal Robert Bourassa Tunnel, Quebec City Rue St.-Marc and Rue du Fort tunnels, Montreal Saint-Rémi Tunnel, Montreal Saint-Nicolas Tunnel, near Franquelin Soulanges Canal Tunnel, Les Cèdres Ville-Marie and Viger Tunnels, Montreal Wellington Street Tunnel, Montreal
Railway tunnels: Mount Royal Tunnel, Montreal Wolfe’s Cove Tunnel, Quebec City
Pedestrian tunnels: The Underground City (RÉSO) Tunnels of Laval University