Jørgen Knudsen Urne (17 October 1598 – 19 February 1642) was a Danish noble who served as Rigsmarsk from 1632 to 1642.

When he was nine, he was sent to Herlufsholm boarding school in Næstved and at age 12 he became a Squire first at the court of Queen Anne Catherine and then to King Christian IV.

In this capacity, he participated in the Kalmar War and joined the king on his journeys to England in 1614 and Braunschweig in 1615.

The Count of Thurn made him a cornet and he participated in the Battle of White Mountain in 1620 before returning home to become a lieutenant in the Royal Danish Army.

[1] He was elected Rigsmarsk in 1629, became a member of the Privy Council and was granted Vestervig as a fief.