Old Faithful (disambiguation)

Old Faithful is a geyser within Yellowstone National Park.

Old Faithful may also refer to:
 * Old Faithful (film), a 1935 film
 * "Old Faithful" (rugby league song)
 * "Old Faithful" (Hope & Faith episode)
 * "Old Faithful", a 1934 short story by Raymond Z. Gallun
 * "Old Faithful", a 1955 story from The Railway Series book Four Little Engines
 * Old Faithful, Graeme Obree's bicycle