Anton Grigorevich Rubinstein (Russian: Анто́н Григо́рьевич Рубинште́йн, tr. Anton Grigorevich Rubinshteyn; November 28 [O.S. November 16] 1829 – November 20 [O.S. November 8] 1894) was a Russian pianist, composer and conductor who became a pivotal figure in Russian culture when he founded the Saint Petersburg Conservatory. He was the elder brother of Nikolai Rubinstein who founded the Moscow Conservatory.