| Princess Ecaterina Conachi | |
| Ecaterina Cocuța Conachi | |
| Spouse: | Prince Nicolae Vogoride Prince Emanuele Ruspoli |
| Issue: | Prince Emanoil Vogoride-Conachi Prince Constantin Vogoride-Conachi Princess Maria Vogoride-Conachi Princess Lucia Vogoride-Conachi Prince Costantino Ruspoli Prince Eugenio Ruspoli Prince Mario Ruspoli Princess Caterina Ruspoli Princess Margherita Ruspoli |
| Father: | Costache Conachi |
| Mother: | Smaranda Negri |
| Birth Date: | 2 April 1829[1] |
| Birth Place: | Țigănești, Galați County, Moldavia |
| Death Place: | Genoa, Italy |
| Burial Place: | Țigănești, Romania |
Ecaterina Cocuța Conachi (2 April 1829 – 22 February 1870) was a Romanian princess and revolutionary. She is known for her activism and work for the unification of Moldavia and Wallachia.[2]
She belonged to the Conachi family. Ecaterina Conachi married firstly in 1846, in Iași, Prince Nicolae Vogoride. They had four children. In 1864, she remarried in Rome, Prince Emanuele Ruspoli, with whom she had five children, among them Eugenio Ruspoli (6 January 1866, Țigănești –, Somalia) and Mario Ruspoli (16 October 1867, Țigănești –, Florence).
She died of paludism.