Eyza or Heyza (Hungarian: Ejza, Ajza or Ejze; died after 1302) was a noble at the turn of the 13th and 14th centuries in the Kingdom of Hungary. He was born in a Muslim family, but he converted to Roman Catholicism. Based on the 15th-century Buda Chronicle, former histroiographical works also referred incorrectly to him as Lizse.