Currency symbol is an image shorthand symbol used as currency name. Currency symbols are mainly used in their respective countries, and ISO42 17 is the international currency symbol.

The official ISO42 17 of Hong Kong dollar is abbreviated as HKD and marked as Hong Kong dollar.

Each currency is marked by a unique three-letter International Organization for Standardization (ISO) code, for example, GBP stands for British pound and USD stands for US dollar. Currency is represented by two ISO codes plus a separator, such as GBP/USD. The first code represents "basic currency" and the other represents "auxiliary currency".

The currency symbol of Hong Kong dollar is: Hong Kong dollar or HKD, $: (US dollar), and the representative symbol is $. Because some countries and regions in the world use US dollars, for the sake of distinction, US dollars are represented by U.S. $ (pronounced U.S.dollar), Canadian dollars by Can$, Australian dollars by A$ and Hong Kong dollars by HK$.