This is a list of Mexican railroads, common carrier railroads operating as part of rail transport in Mexico.
There are three Class I railroads:
Additionally the three Class I railroads jointly own a railroad that provides access to Mexico City
Shortline and terminal railroad companies include:
To its north, Mexico shares a border with the United States that is in length The two countries share the same track gauge of , with multiple links. CG Railway operates a train ferry between the port of Mobile at Mobile, Alabama and the port of Coatzacoalcos, Veracruz.
To its south, Mexico shares an border with Guatemala and a border with Belize. There is rebuilt link with rail transport in Guatemala at Ciudad Tecún Umán in Ayutla, San Marcos, with a break of gauge. / (rebuilt as standard gauge in 2019)
The following is a list of former railroads: