Panionios G.S.S. Football Club (Greek: ΠΑΕ Πανιώνιος Γ.Σ.Σ.), the Pan-Ionian Gymnastics Club of Smyrna (Πανιώνιος Γυμναστικός Σύλλογος Σμύρνης, Panionios Gymnastikos Syllogos Smyrnis), more commonly known as Panionios F.C.
