Great Turkish War Count Nils Bielke (7 February 1644 in Stockholm – 26 November 1716) was a member of the High Council of Sweden, military and politician.

Born the eldest son of Baron Ture Nilsson Bielke, who died in 1648, Queen Christina granted the young boy the barony of Korpo in the archipelago of Finland Proper in 1649.

He especially distinguished himself at the Battle of Lund in 1676 as the commander of the Royal Cavalry Guard (Livregementet till häst).

He was Sweden's ambassador in France from 1679–1682 and 1684–1687, he took part in Emperor Leopold I's Great Turkish War.

In addition to this, he undertook private negotiations in order to push Sweden towards a pro-French policy against the wishes of the Swedish government.