Leman russ is a fictitious character in the Univers of fiction of Warhammer 40,000. It is known to be the Primarque Space Wolves and to have given its name to the tank of the Imperial Garde éponyme.

It is the only primarque one which one is not sure death since it has mysteriously disappeared after the end from the Hérésie from Horus. The legends Space Wolves claim that it “would return to direct the Era of the Wolf”.