Leofric was the name of one of Uhtred's earliest confidantes (and eventually, friends) when he allied with the Saxons in the TV show "The Last Kingdom" (as well as the book series on which it is based, "The Saxon Chronicles").
Earl Leofric of Mercia was the husband of Lady Godiva (Godgifu) who rode naked through the streets of Coventry to save the people from her husbands harsh taxation.