The surnames Bitter, de Bitter or Von Bitter may refer to: Billy Bitter, an American lacrosse player Francis Bitter, an American physicist who invented the Bitter electromagnet, which uses circular metal plates instead of wire coils Friedrich August Georg Bitter, a German botanist and lichenologist Johannes Bitter, a German team handball player Karl Bitter, an Austrian-born United States sculptor Karl Hermann Bitter, Prussian statesman Kees Bitter, Dutch resistance fighter forced to collaborate with the German regime after his capture Peter von Bitter, a German-born Canadian palaeontologist Pieter de Bitter, a 17th-century Dutch officer of the Dutch East India Company Susan Bitter Smith, an Arizona Republican politician Theo Bitter, a Dutch graphic artist, painter and draftsman. Wikipedia