Yinyu

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