Iron Horse is an American Western television series that appeared on ABC from 1966 to 1968 and starred Dale Robertson as fictional gambler-turned-railroad baron Ben Calhoun.

The plot centered on Calhoun's poker game-win of the incomplete Buffalo Pass, Scalplock, & Defiance Railroad and his attempts to finish the line despite ever-present obstacles.

A running subplot was Calhoun's frequent and (for TV at that time) flagrant sexual dalliances with his many attractive female guest stars, as well as his steadier on and off arrangement with Julie Parsons, played by Ellen Burstyn.

Though he was never shown in bed with any of them, there was little doubt about what was happening between scenes; and marriage was never proposed as a possibility.

Much of the external footage involving trains was shot on the historic Sierra Railroad in and around Jamestown and Sonora, California.