| Constantin Esarcu | |
| Minister of Foreign Affairs of Kingdom of Romania | |
| Term Start: | February 21, 1891 |
| Term End: | November 26, 1891 |
| Predecessor: | Alexandru Lahovary |
| Successor: | Alexandru Lahovary |
| Birth Date: | 5 November 1836 |
| Birth Place: | Bucharest |
| Death Place: | Govora, Mihăești, Vâlcea |
Constantin Esarcu (November 5, 1836 - June 8, 1898) was a naturalist, physician, teacher, politician and diplomat who served as the Minister of Foreign Affairs of Kingdom of Romania from February 21 until November 26, 1891.
Esarcu graduated from a university in Bucharest and Sorbonne University in Paris. In 1864, he received his doctoral degree in medicine. He also served as the Romanian ambassador to France.[1] In 1884, he was elected a corresponding member of the Romanian Academy.[2]
He died on June 8, 1898, in Govora, Mihăești, Vâlcea.