Line 11 may refer to:
China Line 11 (Beijing Subway) Line 11 (Guangzhou Metro) Line 11 (Shanghai Metro) Line 11 (Shenzhen Metro) Line 11 (Suzhou Metro) Line 11 (Wuhan Metro) Oceantec Valley Line, Line 11, Qingdao
India Line 11 (Mumbai Metro) Golden Line (Delhi Metro), Line 10 and Line 11 Indigo Line (Delhi Metro), an extension of the Green Line (Line 5)
Spain Line 11 (Madrid Metro) Barcelona Metro line 11
Other countries Line 11 (CPTM), São Paulo, Brazil Line 11 (Moscow Metro), now the Kakhovskaya line, Russia Line 11, part of the Blue Line (Stockholm Metro), in Sweden S11 (ZVV), Zurich, Switzerland Paris Metro Line 11, France SEPTA Route 11, Philadelphia, Pennsylvania, US Shah Alam Line, numbered 11, Malaysia Tokyo Metro Hanzōmon Line, known as Line 11 in the planning stage, Japan Vaudreuil–Hudson line, also designated as line 11, a commuter rail service in Greater Montreal, Quebec
See also List of public transport routes numbered 11