Third rail (disambiguation)

A third rail is an extra rail used for supplying electricity to trains.

Third rail may also refer to:


 * Third rail (model railroading), in rail transport modelling, a technique that is sometimes applied in order to facilitate easier wiring
 * The extra rail on a dual gauge railway
 * "Third Rail" (song), a 1993 song by Squeeze
 * Third rail of politics, a political metaphor
 * The Third Rail (magazine), an online magazine about transportation
 * The Third Rail (band), an American pop group
 * Emergency Third Rail Power Trip, an album by Rain Parade
 * Third Rail (TV series), a Singaporean TV drama series
 * Third Rail (MLS supporters association), an independent supporters' group for New York City FC
 * Third Rail Releasing, a distribution banner of The Weinstein Company
 * The Third Rail (album), a 1996 album by Railroad Jerk
 * A Guard rail (rail), used to prevent a train from derailing.