Old Reliable may refer to:
The Old Reliable, a novel by P. G. Wodehouse Old Reliable Tape and Picture Company, a gay pornography company Old Reliable Theatre Tavern in New York City The Cleveland Gazette, a weekly newspaper Gordo (monkey), a monkey sent to space Louisville and Nashville Railroad 9th Infantry Division (United States) Quincy Mine, a copper mine in Michigan , an ocean liner Redstone Test Stand, at Marshall Space Flight Center Tommy Henrich (1913–2009), American baseball player