Triple Nickel

Triple Nickel, Triple Nickels or Triple Nickles may refer to:


 * Warren Elliott Blackwell, I (1951-2018)
 * 555th Engineer Brigade (United States)
 * 555th Parachute Infantry Battalion (United States), aka "Triple Nickles"
 * 555th Fighter Squadron, part of the United States 31st Fighter Wing
 * 555 Field Artillery Battalion, part of the United States 5th Infantry Regiment
 * Triple Nickel Books, published by Solomon Gelman
 * 555 timer IC, an integrated circuit popular with hobbyists
 * Triple Nickel lift at Bluewood Ski Area
 * College Eye EC-121D, a Lockheed EC-121 Warning Star aircraft
 * 555th Mobile Infantry Regiment, an elite military unit in John Ringo's Legacy of the Aldenata series
 * Interstate 555, a highway in Arkansas
 * N555GT, a Piper Navajo aircraft based out of Norwood Massachusetts