Gregorios Xenopoulos (Greek: G???????? ?e??p?????; December 9, 1867 โ 14 January 1951) was a novelist, journalist and writer of plays from Zakynthos.
He was lead editor in the magazine The Education of Children (? ???p?as?? t?? ?a?d??) during the period from 1896 to 1948, during which time he was also the magazine's main author.
His was the trademark signature "Sa? asp???ยตa?, Fa?d??" ("yours faithfully, Phaedon)", which he used in letters ostensibly addressed to the magazine.
He was also the founder and editor of the Nea Estia magazine, which is still published.
He became a member of the Academy of Athens in 1931, and founded the Society of Greek Writers (?ta??e?a ??????? ????te????) together with Kostis Palamas, Angelos Sikelianos and Nikos Kazantzakis.