Axel Gyllenkrok, or Gyllenkrook (2 August 1664 – 17 September 1730) was a Swedish baron, military general, and governor of Gothenburg.

He was the operational planner whose collections of route maps and reports were used by Charles XII to prepare for the campaign in Poland and Russia.

Shortly afterwards, he was captured by the forces of Peter I of Russia at a mission in Poland.

He was moved between multiple places during his captivity, including Moscow and Kazan, and did not return to Sweden until 1722 after the signing of the Treaty of Nystad.

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