Nog, played by Aron Eisenberg, is a recurring character on the science fiction television series Star Trek: Deep Space Nine (DS9). A member of the profit-driven alien species known as the Ferengi, he becomes the first Ferengi to join Starfleet, where he excels as first a cadet, and then an officer. He is the nephew of the Ferengi bartender Quark, a major character on the series; the son of Quark's brother Rom; and a close friend of Jake Sisko, the son of Deep Space Nine's protagonist Benjamin Sisko. Episodes of the series often paired Nog with Jake.

Aron Eisenberg was an American actor and podcaster known for his role as Nog on Star Trek: Deep Space Nine.