Pichon is a surname, and may refer to;
Édouard Pichon, French grammarian and psychoanalyst
Fats Pichon, an American jazz musician
Jean-Louis Pichon, a French stage director
Laurent Pichon, a French football player
Marcel Pichon (1921-1954), a French botanist
Marinette Pichon, a French football player
Mickaël Pichon, a French motorcross racer
Stephen Pichon, a French politician and minister of foreign affairs during the Paris Peace Conference
Xavier Le Pichon, a French geophysicist
Louis Andre Pichon, a French diplomat
Pichon, fictional author of the fictional anatomy textbook "La Beauté Humaine" in Vladimir Nabokov's novel Lolita.
Other:
Pichon Longueville, archaic Bordeaux wine estate, presently:
Château Pichon Longueville Baron, or Pichon Baron
Château Pichon Longueville Comtesse de Lalande, or Pichon Comtesse, or Pichon Lalande