Metro may refer to:
Geography
* Metro City (Indonesia), a city in Indonesia
* A metropolitan area, the populated region including and surrounding an urban center
Public transport
* Rapid transit, a passenger railway in an urban area with high capacity and frequency
* The public transport operator of city or metropolitan area
* The transportation authority of city or metropolitan area
* The urban rail transit system of a city or metropolitan area
Rail systemsAfrica
* Algiers Metro, in Algeria
* Cairo Metro, in Egypt
* Lagos Rail Mass Transit, in Nigeria
Asia
* Dhaka Metro, in Bangladesh
* Doha Metro, in Qatar
* Dubai Metro, in United Arab Emirates
* Hanoi Metro, in Vietnam
* Ho Chi Minh City Metro, in Ho Chi Minh City, Vietnam
* Lahore Metro, in Pakistan
* Manila Metro Rail Transit System, in the Philippines
* Osaka Metro, in Japan
* Pyongyang Metro, in north Korea
* Riyadh Metro, in Saudi Arabia
* Tokyo Metro, in Japan
=China=
* Beijing Metro
* Shanghai Me ...