Line 12 can refer to the following : * Line 12 (Beijing Subway), a subway line under construction in Beijing * Line 12 (Dalian Metro), a metro line in Dalian, Liaoning, China * Paris Métro Line 12 * Line 12 (Madrid Metro) * Line 12 (Moscow Metro), a metro line of the Moscow Metro, Moscow, Russia * Line 12 (Shanghai Metro), a metro line in Shanghai, China * Toei Ōedo Line, officially line 12 * 12 (BMT rapid transit service) * Mexico City Metro Line 12 * Sungai Buloh-Serdang-Putrajaya Line, called Line 12 at route map This disambiguation page lists articles associated with the title Line 12.If an internal link led you here, you may wish to change the link to point directly to the intended article.