|Kanji in this term|
- The pronunciation of Chinese hanzi characters used in the Wú (吳 or 吴) and Yuè (越) regions of China.
- A category of on'yomi (音読み), the Japanese approximation of the original Chinese pronunciation.
- The kanji pronunciation first brought to Japan via the Korean peninsula. This category was called waon (和音) until the middle of the Heian Period, after which it was also called goon. Generally regarded as the character reading brought over long ago from the lower reaches of the Yangtze River (the Wú region). Contrast with kan'on (漢音), sōon (宋音), and tōon (唐音).