First Lieutenant Carl Emil Moltke (9 January 1773 – 19 March 1858) was a Danish naval officer, diplomat and politician.

In 1791–92, he served under Captain Poul de Løvenørn on an expedition to Morocco.

[1] Moltke began his diplomatic career in 1793 as secretary at the Danish legation in Lisbon.

In the intermediate years, he was used for various diplomatic missions, for instance in 1813 to the Russian headquarters in Silesia where he was to request Alexander I's mediation in the conflict with England.

[1] Moltke married Asta Thusnelda Münster-Meinhövel (1788–1842), a daughter of Georg Werner August Dietrich Münster-Meinhövel (1751–1801) and Isabella Johanne Charlotte Ompteda (Amalie Münster) (1767–1814), on 5 July 1807 in the Farrison Church in Copenhagen.