UND

UND or Und may refer to:


 * Und, Hungary, a village
 * Und, a 1999 play by Howard Barker
 * University of North Dakota, a public university in Grand Forks, North Dakota
 * University of Notre Dame, a Catholic university in South Bend, Indiana
 * Undetermined language, in ISO 639-3 language codes
 * And in several languages related to German