| Alexander Joan Cuza | |
|---|---|
| Prince of Moldavia (until 1862) Prince of Wallachia (until 1862) Domnitor of Romania (after 1862) | |
| Reign | January 24, 1859 - February 22, 1866 |
| Predecessor | (Caimacams) Moldavia: I. A. Cantacuzino, Vasile Sturdza, and Anastasie Panu Wallachia: Ioan Manu, Emanoil Băleanu, and Ioan Al. Filipide |
| Successor | Carol I |
| Born | March 20, 1820 Huşi, Moldavia |
| Died | May 3, 1873 (aged 53) Heidelberg, Germany |
| Burial | |
| Spouse | Elena Cuza n. Rosetti |
| Issue | Alexandru Al. Ioan Cuza and Dimitrie Cuza. (Both illegitimate) |
| Father | Ioan Cuza |
| Mother | Sultana Cuza n. Cozadini |
Alexander Joan Cuza (a common English rendition of Alexandru Ioan Cuza; March 20, 1820 – May 15, 1873) was a Moldavian-born Romanian politician who ruled as the first Domnitor of the United Principalities of Wallachia and Moldavia between 1859 and 1866.