Hober Mallow is a fictional character in the Foundation series by Isaac Asimov. In the 1944 novella "The Big and the Little", he is a Master Trader for the Foundation who pioneers the use of commerce to increase the Foundation's power and influence across the galaxy.

The Foundation series is a science fiction book series written by American author Isaac Asimov. First published as a series of short stories and novellas in 1942–50, and subsequently in three collections in 1951–53, for nearly thirty years the series was a trilogy: Foundation (1951); Foundation and Empire (1952); and Second Foundation (1953). It won the one-time Hugo Award for "Best All-Time Series" in 1966. Asimov later added new volumes, with two sequels: Foundation's Edge (1982) and Foundation and Earth (1986), and two prequels: Prelude to Foundation (1988) and Forward the Foundation (1993).