Ivan Prezelj (29 August 1895 – 22 April 1973) was a Yugoslav military officer and commander of Blue Guard, a detachment of Yugoslav Army in the Fatherland in German-occupied Slovenia during the World War II.

[1] Before the Second World War, Prezelj was the Yugoslav military attache in Prague.

[2] Prezelj was initially subordinated to Major Karl Novak and Colonel Vladimir Vauhnik.

[3] After the defeat in the Battle of Grčarice, Major Novak resigned and Prezelj was appointed in his place by Draža Mihailović.

[9] After the World War II Prezelj escaped from Yugoslav authorities to Italy.