Ioannis Kapodistrias | Ioannis Pallikaris | Ioannis G. Tsatsaris | Ioannis Theodorakopoulos | Ioannis Poulos | Ioannis Persakis | Ioannis Matzourakis | Ioannis Liritzis | Ioannis Kyrastas | Ioannis Kakridis | Ioannis Charalambopoulos | Ioannis Bourousis | Ioannis Andreou |
Zakythinos also served briefly as Minister to the Prime Minister in the interim 1963–64 government of Ioannis Paraskevopoulos, while after the fall of the Regime of the Colonels, he was elected to the Greek Parliament in the November 1974 elections, on the list of the conservative New Democracy party, serving until 1977.