Line 19
Line 19 may refer to:
China
- Line 19 (Beijing Subway)
- Line 19 (Chengdu Metro)
- Line 19 (Guangzhou Metro) (planned)
- Line 19 (Hangzhou Metro)
- Line 19 (Shanghai Metro) (planned)
- Line 19 (Wuhan Metro)
Other countries
- Line 19 (Paris Metro), a planned line in France
- Line 19 (São Paulo Metro), a planned line in Brazil
- Line 19 (Stockholm Metro), in Sweden