COINage, a monthly American special-interest magazine, targets  numismatists and coin investors. Behn-Miller Publications, Inc. - under the joint ownership of Gordon Behn and COINage editorial director James L. Miller - originally published the magazine on a quarterly basis. In 1965 the magazine moved to a bimonthly publishing schedule, and has been published monthly since 1966. Behn retired in 1982, making Miller the sole publisher of COINage, as well as sole owner of the renamed Miller Magazines, Inc. Trimbach Media, Inc. purchased COINage, in 2012.

Coinage may refer to:

• Coins, standardized as currency
• Neologism, coinage of a new word
• COINage, numismatics magazine
• Tin coinage, a tax on refined tin