A Train
A Train may refer to:
Rail transport
- The A (New York City Subway service)
 - A Division (New York City Subway)
 - A-train (Texas), a hybrid rail line in Denton County, Texas
 - A-Train (JR Kyushu), a train operated in Japan by JR Kyushu
 - A-Train (Korail), a tourist train in South Korea
 - MTR Adtranz–CAF EMU, a train operated in MTR Hong Kong
 - Green Line A branch, in Boston, Massachusetts
 - Key System, electric line between Oakland and San Francisco in 1958
 - Hitachi A-train, trains made by Hitachi
 - Arlanda Express, an airport rail link operated in Stockholm by A-Train AB
 - A Line (Los Angeles Metro), a light rail line in Los Angeles County, California
 - A Line (RTD), a commuter rail line in Denver, Colorado
 
Sports nickname for
- Mike Alstott (born 1973), American football player
 - Matt Bloom (born 1972), American professional wrestler
 - Artis Gilmore (born 1949), former basketball player
 - Anthony Kelly (lacrosse) (born 1980), professional lacrosse player
 - Anthony Thomas (American football) (born 1977), American football player
 - Anton Volchenkov (born 1982), ice hockey defenceman
 - Aaron Williams (basketball) (born 1971), professional basketball player
 
Other
- A-Train, a 1985 series of video games
 - A-train (satellite constellation), a string of meteorological and environmental Earth observation satellites
 - A-Train, a supervillain who poses as superhero from the media franchise The Boys
 
See also
- "Take the "A" Train", 1939 jazz standard written by Billy Strayhorn
 - Take the "A" Train (Betty Roché album), released 1956
 - Take the "A" Train (Dexter Gordon album), released 1989