NUG

NUG may refer to any of a number of entities:

National Unity Government

 * Nug (graffiti artist)

Acronym

 * National Unity Government of Myanmar, a parallel government created in the aftermath of the 2021 Myanmar coup d'état by supporters of ousted Aung San Suu Kyi.
 * Guidelines for National Unification between mainland China and Taiwan
 * Necrotizing ulcerative gingivitis, a subclassification of the Necrotizing periodontal diseases