Teatro Giacosa (officially: Teatro Civico Giuseppe Giacosa) is a theatre located in Ivrea, Italy.

In 1829, the municipal administration of Ivrea entrusted architect Maurizio Storero with the task of designing a new city theatre. Storero chose to adhere to the then-customary model of the so-called teatro all'italiana, consisting of a horseshoe-shaped hall with stacked boxes. Construction works took place between 1833 and 1834. The inauguration took place on 5 July 1834 during the celebrations of the patronal feast of St Sabinus with three opera performances: Giulietta and Romeo and La gioventù di Enrico IV, both by Nicola Vaccai, and Il nuovo Figaro by Luigi Ricci.

The building, located in the historic centre of Ivrea, has a neoclassical façade featuring a large rectangular pediment where the city coat of arms is painted.

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