Line 8 or 8 Line may refer to:

Asia

China

* Line 8 (Beijing Subway) * Line 8 (Changchun Rail Transit) * Line 8 (Chengdu Metro) * Line 8 (Guangzhou Metro) * Line 8 (Jinan Metro) (planned) * Line 8 (Hangzhou Metro) * Line 8 (Qingdao Metro) * Line 8 (Shanghai Metro) * Line 8 (Shenzhen Metro) * Line 8 (Suzhou Metro) * Line 8 (Tianjin Metro) (currently known as Phase 2 of Line 6) * Line 8 (Wuhan Metro)

India

* Line 8 (Delhi Metro), or Magenta Line * Line 8 (Mumbai Metro)

Japan

* Line 8 (Osaka), or Imazatosuji Line

Malaysia

KL Monorail The KL Monorail Line is the only operational monorail system in Malaysia. Operated as part of the Rapid KL system by Rapid Rail, a subsidiary of Prasarana Malaysia, it is one of the components of the Klang Valley Integrated Transit System. Th ...

, numbered 8

Philippines

* MRT Line 8, Metro Manila

Singapore

* Line 8 (Singapore), part of the Circle MRT line

South Korea

Seoul Subway Line 8 Seoul Subway Line 8 of the Seoul Metropolitan Subway was built from 1990 to 1999 and mainly serves the southeastern parts of Seoul and Seongnam. The first section from Jamsil to Moran opened in 1996, and the second section from Moran to Amsa was ...

Thailand

* Bus Line 8 (Bangkok)

Australia

* T8 Airport & South Line, Sydney Trains service

Europe

France

* Paris Métro Line 8

Russia

* Line 8 (Moscow Metro) and 8A, or Kalininsko–Solntsevskaya line

Spain

* Barcelona Metro line 8 *

Line 8 (Madrid Metro) Line 8 of the Madrid Metro opened between Mar de Cristal (Madrid Metro), Mar de Cristal and Campo de las Naciones (now Feria de Madrid (Madrid Metro), Feria de Madrid) on 24 June 1998. An extension to Barajas via Madrid Airport was opened in 19 ...

Switzerland

S8 (ZVV) The S8 is a regional railway line of the S-Bahn Zürich on the Zürcher Verkehrsverbund, Zürcher Verkehrsverbund (ZVV), Zürich transportation network, and is one of the network's lines connecting the Canton (Switzerland), cantons of Canton of ...

, Zurich

North America

Cuba

* Line 8 (Havana Suburban Railway)

Mexico

* Mexico City Metro Line 8

Panama

* Line 8 (Panama Metro) (planned)

United States

* 8 (Los Angeles Railway) (defunct) * 8 (New York City Subway service) (defunct) * Route 8 (Baltimore), a bus route, now subsumed by CityLink Red

South America

Brazil

Line 8 (CPTM) Line 8 (Diamond) (), formerly Line B (Gray), is one of the thirteen lines that make up the Transport in São Paulo#Rail transport, São Paulo Metro Rail Transport Network in Brazil and one of the three lines operated by ViaMobilidade. The line was ...

, São Paulo

Chile

* Santiago Metro Line 8, a line that is in planning