John Eladas (Greek: Ἰωάννης ὁ Ἐλαδᾶς; died 914) was a senior member of the Byzantine court and regent in the early 10th century.
He is first mentioned during the reign of Leo VI the Wise (r. 886–912), when he held the title of patrikios and was tasked with collecting money (possibly in exchange for commuting military service) from the European themata.
[1][2] In this capacity, Eladas was instrumental in defeating the attempted coup of general Constantine Doukas, by mobilising the palace guard and arming the rowers of the imperial fleet.
Eladas' forces confronted the rebel's supporters at the Chalke Gate, and in the ensuing clash, Constantine Doukas was killed.
[1] In August 913, along with his fellow members of the regency, Patriarch Nicholas Mystikos and the magistros Stephen, he received the sons of the Bulgarian tsar Simeon in the Palace of Blachernae.