Line 18
# Line 18

Line 18 may refer to:

## China

* Line 18 (Chengdu Metro)
* Line 18 (Chongqing Rail Transit) (under construction)
* Line 18 (Guangzhou Metro)
* Line 18 (Shanghai Metro)

## Other countries

* Line 18 (São Paulo Metro), Brazil (cancelled)
* Line 18 (Stockholm Metro), a Green line, Sweden
* Line 18 (Zürich), or Forch railway, Switzerland
* Paris Métro Line 18, France (planned)
* Line 18, serving the Sinsen Line of the Oslo Tramway, Norway
