NOD

NOD, Nod, or nod may refer to:

Literature

 * Land of Nod, a place mentioned in the biblical book of Genesis
 * Nod, a fictional character from the poem "Wynken, Blynken, and Nod"

Science

 * Night Observation Device or night vision device
 * Non-occlusive disease (NOD), a disease affecting the intestine. It is characterized by mesenteric ischemia without occlusion.
 * NOD mice (non-obese diabetic mice), a strain of mice genetically prone to develop diabetes
 * NOD32, a software antivirus application from ESET software
 * Nod factor (nodulation factor), signaling molecules produced by rhizobia during the initiation of nodules on the root of legumes
 * NOD-like receptor, components of the innate immune system
 * A member of the Nucleotide-binding oligomerization domain-containing protein family
 * Nucleotide-binding oligomerization domain-containing protein 1 (NOD1), a receptor protein that recognizes foreign molecules
 * Nucleotide-binding oligomerization domain-containing protein 2 (NOD2), another receptor protein that recognizes foreign molecules

Other

 * Nod (gesture), a head gesture
 * Northern Thai language, ISO 639-3 language code
 * Nation of Domination, a former stable in the World Wrestling Federation
 * Network of Disclosure, an organization concerned with the condition of comic books
 * Night of Decadence, a campus party at Rice University in Houston, Texas, USA
 * Notice of default, a notice given to a borrower regarding failure to pay debt
 * Nintendo optical disc, a type of media used by the Nintendo GameCube and Wii
 * Nod, the original name of former Atlanta-based power pop band Raves
 * Nod, a Nodosaurus in The Land Before Time
 * NOD, abbreviation for Национально-освободительное движение (National Liberation Movement), a right-wing political movement in Russia
 * Brotherhood of Nod, a faction from Command & Conquer