Konstantinos Demertzis
| Konstantinos Demertzis | |
|---|---|
| Κωνσταντίνος Δεμερτζής | |
| Prime Minister of Greece | |
| In office 30 November 1935 – 13 April 1936 | |
| Monarch | George II | 
| Preceded by | Georgios Kondylis | 
| Succeeded by | Ioannis Metaxas | 
| Personal details | |
| Born | 12 January 1876 Athens, Greece | 
| Died | 13 April 1936 (aged 60) Athens, Greece | 
| Political party | Freethinkers' Party (1922–1936) | 
Konstantinos Demertzis (Greek: Κωνσταντίνος Δεμερτζής; January 12, 1876, in Athens – April 13, 1936, in Athens) was a Greek academic and politician. He was the 49th Prime Minister of Greece from November 1935 to April 1936. Demertzis died during his mandate, of a heart attack, on April 13, 1936.