Jayabhaya or Jayabaya (Javanese spelled: Ratu Jayabaya) was the Javanese King of the Kediri Kingdom in East Java, Indonesia which ruled around 1135-1159 CE. With the title of abhiseka used is Sri Maharaja Sang Mapanji Jayabhaya Sri Warmeswara Madhusudana Awataranindita Suhtrisingha Parakrama Uttunggadewa. The reign of King Jayabhaya is considered the heyday of the Kediri Kingdom.