Georg Jakob Felsing (22 July 1802, Darmstadt - 9 June 1883, Darmstadt) was a German line-engraver.
He was born at Darmstadt in 1802 and was first instructed by his father, Johann Conrad Felsing. Afterwards, he visited Italy and studied at Milan under Longhi, and at Florence the style of Raffaello Morghen. After residing some time at Naples he revisited Florence, and became a professor in the Academy of that city, and a member of the Academy of Milan. He returned to Darmstadt in 1832, when he was elected professor, and appointed engraver to the Court. During a stay in Paris he was influenced by the style of Desnoyers, and at Munich by the principles of the artists there. Felsing's plates show the talent of a great artist, and he worked with the graver in a clear and vigorous manner. He was also a member of the Academies of St. Petersburg, Berlin, and Vienna, and of the Institute of France. He died at Darmstadt in 1883. His most important works are: