Count Carl Lewenhaupt (19 March 1835 – 10 December 1906) was a Swedish diplomat and politician, who was Minister for Foreign Affairs from 1889 to 1895.

Lewenhaupt became attaché in Paris in 1858[1] after first been serving as temporary office clerk at the Ministry for Civil Service Affairs in 1856 and as valet de chambre in 1857.

[1] In his position as envoy 1876-84 and acting consul general in Washington, D.C., he was accepted by the Spanish and United States governments as arbitrator in the dispute that arose between them because of the uprising in Cuba.

This in its time very controversial »Swedish offer» aroused much discontent among the Swedes, who kept the maintenance of Sweden's preferential rights in the Union, and received from that quarter on 1 June 1895 the notification that Lewenhaupt, as Foreign Minister, had been succeeded by Count Ludvig Douglas with great satisfaction.

[1] He took part in the ceremonial surrounding the death in early 1901 of Queen Victoria and the accession and coronation of her successor King Edward VII.