Teal Line may refer to:
- Line 4 (Beijing Subway)
- Daxing line
- Shanghai maglev train
- Line 8 (Guangzhou Metro)
- Airport Express (MTR)
- Line 6 (Kunming Metro)
- Line 6 (Shenyang Metro)
- Line 18 (Chengdu Metro)
- Mexico City Metro Line 4
See also
- Green Line (disambiguation)
- Blue Line (disambiguation)
- Turquoise Line (disambiguation) or Blue Green Line
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