Line 17 may refer to:
China Line 17 (Beijing Subway) (planned) Line 17 (Chengdu Metro) Line 17 (Shanghai Metro) Line 17 (Shenzhen Metro) (planned) Line 17 (Zhengzhou Metro) (under construction)
Other countries Line 17 (São Paulo Metro), a monorail line in São Paulo, Brazil. Line 17, part of the Green Line (Stockholm Metro), in Sweden Line 17 (Zürich), or Bremgarten–Dietikon railway line, in Switzerland Paris Metro Line 17, in France (under construction) Sinsen Line, Line 17 of the Oslo Tramway, in Norway
See also List of public transport routes numbered 17