Greenback

Greenback may refer to:

In currency:

  • Greenback (money), a fiat currency issued during the American Civil War
    • United States Note
    • Demand Note, issued in 1861–62
    • A current (since 1914) United States Federal Reserve Note
  • Greenback Party, an American political party that was active between 1874 and 1884 which advocated non-gold-backed government currency, also known as the Greenback Labor Party
  • Save the Greenback, organization of U.S. Bureau of Engraving and Printing employees and currency component suppliers opposed to phasing out the paper dollar

Other uses:

  • Greenback, Tennessee, United States
  • "Greenbacks", a 1955 song by Ray Charles
  • Celestion G-12, guitar cabinet loudspeakers
  • Greenback cutthroat trout, (Oncorhynchus clarki stomias), the easternmost subspecies of cutthroat trout
  • An alternate name for the Bar jack, or Caranx ruber
  • A surname