NOG

NOG or Nog may refer to:
 * Antônio Rodrigo Nogueira, Mixed martial arts fighter, also known as "Big Nog"
 * Antônio Rogério Nogueira, Mixed martial arts fighter, also known as "Little Nog"
 * Nog (Star Trek), fictional character, a young Ferengi in Star Trek: Deep Space Nine
 * Noggin (protein), also known as NOG, a human protein
 * N-Oxalylglycine, an organic compound
 * Internet network operators' groups (NOGs), informal groups which provide forums for Internet network operators
 * NOG, IATA code for Nogales International Airport (Mexico), Nogales, Sonora
 * NOG, FAA location identifier for Naval Auxiliary Landing Field Orange Grove, a military airport southwest of Orange Grove, Texas
 * nog, slang for eggnog
 * Nogs, a people in Noggin the Nog, a popular British children's television series
 * Nog (novel), by Rudolph Wurlitzer
 * Brick nog, bricks filled in-between wooden framing
 * A horizontal framing member in a wall or floor also called a nogging piece or dwang
 * Nogai (ISO 639-2 ), a Turkic language of the North Caucasus
 * North Geelong railway station, Australia