A nickname for Lou Gehrig the baseball

A celtic music band.

Iron Horse Middle School, a middle school in California

Iron Horse District - Golden Empire Council, BSA - Boy Scouts of America geographic administrative area

Iron Horse (Poem), a poem by Allen Ginsberg

A train or locomotive

A worldwide network of FLR-9 antennas used for SIGINT purposes during the Cold war

The Iron Horse (film), a silent movie from 1924, directed by John Ford

Iron Horse (band), a cover band that has released many CDs, covering songs from bands like Modest Mouse, Jack Johnson, and even Metallica

Iron Horse Bicycles, a manufacturer of bicycles, based in Islandia, New York