The ackey was a currency issued for the Gold Coast by the British between 1796 and 1818.

The currency consisted of silver coins in denominations of 1 takoe, 1⁄4, 1⁄2 and 1 ackey.

All coins bar the takoe carried the inscription "Free Trade to Africa by Act of Parliament 1750", commemorating the African Company Act 1750 which dissolved the Royal African Company and created the African Company of Merchants, which remained in existence while the ackey was in circulation.

The name derived from the use of ackee (Blighia sapida) seeds for weighing gold dust; one ackee seed weighed about 20 troy grains (1.3 grams).

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