Admiral Henrik Lorentz Fisker (4 January 1720 – 20 June 1797) was a Danish naval officer and politician.

In 1753, as captain of the armed merchant ship Friderich og Lovise, he was sent to reinforce the Danish squadron off Morocco and at the same time carry the diplomat Andreas Æreboe to the area.

(His 9-year-old son Lorentz was also on board, at the start of an equally illustrious career, but fell ill and was left to convalesce on Malta).

1770 he was at the Admiralty college, and in 1773 he was in overall command of the flotilla which carried Prince Carl of Hessen and Princess Louise to Norway, where Fisker was the most senior naval officer.

On return to Denmark, Fisker was engaged in several important commissions, including that concerning the introduction of gunboats for near coastal defence, as well as being chairman of that covering the Norwegian flotilla.