Ioannis Papafis or Giovanni di Niccolò Pappaffy (Greek: Ιωάννης Παπάφης; Selanik, Ottoman Greece, 1792 – Malta, 1886) was an Ottoman Greek merchant and philanthropist, resident in British Malta. He is considered a national benefactor of Greece. In Greece he is commemorated for helping in the funding of the Greek War of Independence and in financing crucial sectors of the newly formed Greek state. He was among the primary shareholders of the National Bank of Greece, donated to the University of Athens, and the Greek Orthodox Church through the Ecumenical Patriarch of Constantinople.