Line 2
- 1980 Swedish nuclear power referendum
- 2 (Los Angeles Railway)
- 2 (New York City Subway service)
- 2 Line (Sound Transit)
- 2 Train (disambiguation)
- Chief Whip
- Green Line (Kolkata Metro)
- L2 Randwick Line
- Line 2 (Athens Metro)
- Line 2 (Beijing Subway)
- Line 2 (Bilbao metro)
- Line 2 (Budapest Metro)
- Line 2 (Changchun Rail Transit)
- Line 2 (Changsha Metro)
- Line 2 (Changzhou Metro)
- Line 2 (Chengdu Metro)
- Line 2 (Chengdu Tram)
- Line 2 (Chongqing Rail Transit)
- Line 2 (Dalian Metro)
- Line 2 (Dongguan Rail Transit)
- Line 2 (Foshan Metro)
- Line 2 (Fuzhou Metro)
- Line 2 (Guangzhou Metro)
- Line 2 (Guiyang Metro)
- Line 2 (Hangzhou Metro)
- Line 2 (Harbin Metro)
- Line 2 (Hefei Metro)
- Line 2 (Hohhot Metro)
- Line 2 (Jinan Metro)
- Line 2 (Kunming Metro)
- Line 2 (Lanzhou Metro)
- Line 2 (Luoyang Subway)
- Line 2 (Metrovalencia)
- Line 2 (Moscow Metro)
- Line 2 (Mumbai Metro)
- Line 2 (Nanchang Metro)
- Line 2 (Nanjing Metro)
- Line 2 (Nanning Metro)
- Line 2 (Naples)
- Line 2 (Ningbo Rail Transit)
- Line 2 (Nizhny Novgorod Metro)
- Line 2 (O-Train)
- Line 2 (Pune Metro)
- Line 2 (Qingdao Metro)
- Line 2 (Rio LRT)
- Line 2 (Rio de Janeiro)
- Line 2 (Saint Petersburg Metro)
- Line 2 (Shanghai Metro)
- Line 2 (Shenyang Metro)
- Line 2 (Shenzhen Metro)
- Line 2 (Shijiazhuang Metro)
- Line 2 (Suzhou Metro)
- Line 2 (São Paulo Metro)
- Line 2 (Taiyuan Metro)
- Line 2 (Thessaloniki Metro)
- Line 2 (Tianjin Metro)
- Line 2 (Wuhan Metro)
- Line 2 (Wuhu Rail Transit)
- Line 2 (Wuxi Metro)
- Line 2 (Xi'an Metro)
- Line 2 (Xiamen Metro)
- Line 2 (Xuzhou Metro)
- Line 2 (Zhengzhou Metro)
- Line 2 Bloor–Danforth
- Line 2 of the Guadalajara urban rail system
- Manila Light Rail Transit System Line 2
- Mexico City Metro Line 2
- Mexico City Metrobús Line 2
- Orange Line (Montreal Metro)
- Paris Métro Line 2
- Port Klang Line
- Second line (disambiguation)
- Seoul Subway Line 2
- São Paulo Metro
- Taipei Metro Line 2
- U2 (Vienna U-Bahn)
- Whip (politics)
- Île-de-France tramway Line 2