The Tbilisi Opera House Symphony Orchestra is an orchestral ensemble based at the Tbilisi Opera and Ballet Theatre in Tbilisi, Georgia, originally formed to provide orchestral accompaniment for opera and ballet performances and to present symphonic programmes. Their repertoire encompasses Georgian and wider European operatic and symphonic works, ranging from traditional national compositions to standard Western repertoire, and the ensemble has also expanded into concert presentations and collaborative projects that contribute to the cultural life of Georgia.