Yinyu may refer to: Yinyu Ye, an American theoretical computer scientist A number of Chinese fish dishes including egg - for example: yínyú jiāndàn (Silver Fish Fried Egg) yínyú chǎodàn (Whitebait omelette) Yinyu Waterfall in Yushan National Park Two islets (Yin Yu & Yinyu Zi) in the Observation Bank of the Crescent Group of the Paracel Islands of the South China Sea