Yayan most commonly refers to Yayan Ruhian (born 1968), an Indonesian actor.

Yayan could also refer to:

Yayan (Old Chinese), theorized ancient form of Chinese Yayan Ganda Hayat Mulyana (born 1966), Indonesian diplomat Zhu Yayan (born 1944), Chinese politician Lai Yayan or Megan Lai (born 1979), Taiwanese actress and singer