He is not to be confused with his grandson, also called Demetrius of Phaleron, who probably served as regent of Athens between 262 and 255, on behalf of the Macedonian King Antignonos Gonatas.
Demetriost ei tohi segi ajada ta lapselapsega, kelle nimi on samuti Demetrios Phaleronist, kes oli arvatavasti aastatel 262–255 eKr Ateena asevalitseja Makedoonia kuningas Antigonos Gonatase nimel.