| Romanian National Opera in Iași | |
| Native Name: | Opera Națională Română din Iași |
| Location: | Iași |
| Location Country: | Romania |
| Architect: | Ferdinand Fellner and Hermann Helmer |
| Construction Start Date: | 1894 |
| Completion Date: | 1896 |
| Style: | Neoclassical |
| Seating Capacity: | 750 |
The Romanian National Opera, Iași (Romanian; Moldavian; Moldovan: Opera Națională Română din Iași) is a public opera and ballet institution in Iași, Romania. It is one of the national opera companies of Romania.
The first performance at the Iași Opera was on 3 November 1956 (the inaugural concert being Tosca by Giacomo Puccini), in the building of the Iași National Theatre, a historic monument that had been built between 1894 and 1896 by the Viennese architects Ferdinand Fellner and Hermann Helmer.[1]