Demetros or Demetrius (died 1802) was nəgusä nägäst (July 25, 1799 – 24 March 1800 and June 1800 – June 1801) of Ethiopia. He was the son of Arqedewos. He may be the same person as the "Adimo" mentioned in the account of the traveler Henry Salt who was dead by the time of Salt's visit to northern Ethiopia in 1809/1810.Demetros was elevated as Emperor by Dejazmach Gugsa and his brother Alula, who put his predecessor Emperor Salomon III in chains.