Hryhorii Trokhymovych Danylevskyi (b. 1772, Kharkiv region - d. January 6, 1864, Kyiv) was a Ukrainian violinist and singer (viola). He was the brother of the musician Adrian Danylevsky.
He was born in 1772 in the Kharkiv region in the family of a priest. Conductor Kudlai brought him to St. Petersburg to the Court Singing Chapel as a viola soloist. He studied in the classes of the Noble Corps and simultaneously sang in the chapel under the direction of Dmytro Bortnyansky. He learned to play the violin from M. Kudliy and the French violinist Charles Lafont.
In 1808 he left the chapel. Until 1826, he served in the office of the Ministry of the Interior and played the violin in home concerts for Pererburg patrons Mykola Holitsyn, Fedir Lviv, and Mykhailo Viliehorsky.
From 1826 to 1834 he served as an advisor to the provincial government in Chernihiv, and from 1834 - in Kyiv, where he kept his own music salon and gave concerts as a soloist and ensemble player with Karol Lipinski and Alexander Artaud. He led a quartet with Vitovsky, Zubkovych, and Storozhenko. He died in Kyiv on 25 December 1863 January 1864.