Henrik Johan Nauckhoff (also Henric, Hindric; 13 October 1744 – 18 February 1818) was a Swedish naval officer and friherre (baron).

After having graduated as an officer in the Swedish Navy, Nauckhoff served on expeditions to Pomerania and Morocco before receiving his first commission as commander of a ship in 1776.

After his return to Sweden, he would also participate actively in the Russo-Swedish War of 1788–1790, commanding ships in the battles of Hogland, Öland (with noted distinction), Reval, Kronstadt and Vyborg Bay.

He was subsequently granted leave to serve in the merchant fleet, and sailed on several trading voyages before re-entering military service in 1770.

He participated in the French occupation of Tobago before sailing north with the fleet convoying reinforcements to General Lafayette on 5 August.

[1] He later made his way back to Europe on board the French ship Le Conquerant and re-entered Swedish service after the end of the war.

[1] The following year he was transferred to the ship Konung Adolf Fredrik [sv], on which he served with future admiral Rudolf Cederström and which he commanded with distinction at the Battle of Öland.

[1] Following the peace settlement in the Treaty of Värälä, Nauckhoff returned to Sweden as part of a prisoner exchange and in the following years had onshore duties, including as a member of several committees dedicated to naval issues.

Together with the British Baltic Fleet, under the command of admirals Saumarez (whom he had fought against while in French service) and Hood he sustained a blockade of a Russian squadron in Paldiski.