Grand Theatre, Poznań (Polish: Teatr Wielki im. Stanisława Moniuszki w Poznaniu) is a neoclassical opera house located in Poznań, Poland. It is named after famous Polish composer Stanisław Moniuszko.
Designed by German architect Max Littmann, and inaugurated in 1910 with The Magic Flute (Wolfgang Amadeus Mozart), is a main opera stage in Greater Poland Voivodeship currently directed by Michał Znaniecki.
Its season runs from mid-September to mid-June and the company mounts an annual "Festival Verdi" in October and "E. T. A. Hoffmann Festival" in April, often with special guests.