DNF

DNF may refer to:

Computing and logic

 * Dutch national flag problem, a computer science–related programming problem proposed by Edsger Dijkstra
 * DNF (software), a package manager for RPM-based Linux distributions
 * Disjunctive normal form, a standardization of a logical formula in boolean logic

Other uses

 * Dungeon & Fighter, a video game series created by Neople
 * Did not finish, a designation given in a race indicating that the competitor did not finish
 * Duke Nukem Forever, a 2011 first-person shooter video game