Georg Karl Stahlberg (15 March 1866 Tartu – 6 March 1942 Tartu) is an Estonian opera singer (bass) and music pedagogue.
He taught singing in 1894 in St. Petersburg at O. Seffer; in 1895 in Köln at B. Stolzenberg; and from 1896 to 1897 in Venice at Antonio Selva.
He became a music pedagogue and also sang in oratorios and operas in Estonia and abroad.
His students included Leenart Neuman, Benno Hansen, Rudolf Jõks, Aarne Viisimaa, Martin Taras, Arno Niitof.
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