Konstantinos Tsatsos | |
|---|---|
| Κωσταντίνος Τσάτσος | |
 Tsatsos in 1976 | |
| 2nd President of Greece | |
| In office 19 July 1975 – 10 May 1980 | |
| Prime Minister | Konstantinos Karamanlis |
| Preceded by | Michail Stasinopoulos |
| Succeeded by | Konstantinos Karamanlis |
| Personal details | |
| Born | 1 July 1899 Athens, Kingdom of Greece |
| Died | 8 October 1987 (aged 88) Athens, Greece |
| Political party | Liberal Party (Before 1955) National Radical Union (1955–1967) Independent (1967–1974) New Democracy (1974–1987) |
| Spouse | Ioanna Tsatsou, née Seferiadi (1909–2000) |
| Alma mater | University of Athens Heidelberg University |
| Signature |  |
Konstantinos D. Tsatsos (Greek: Κωνσταντίνος Τσάτσος; July 1, 1899 – October 8, 1987) was a Greek diplomat, professor of law, scholar and politician. He served as the second President of the Third Hellenic Republic from 1975 to 1980.