Kolt 15 Gap is a 1971 Yugoslav short documentary film written and directed by Jovan Jovanović and Miodrag Milošević. It follows the life, views and whreabouts of an unemployed Marxist metalworker. The film belongs to the Yugoslav Black Wave.

The documentary won awards at festivals in Oberhausen, Utrecht and Belgrade, was included in the Anthology of Films of the Oberhausen Festival (published on the occasion of the 50th anniversary of the festival), and American film historian Erik Barnouw included it in his 1974 book Documentary – A History of the Non-Fiction Film.