Laocoon, or Laocoön, may refer to: Laocoön, the Trojan priest of Poseidon Laocoon (mythology), mythological characters named Laocoon. Laocoön and His Sons, a famous sculpture in Vatican City Laocoön (El Greco), an oil painting by El Greco : An Essay on the Limits of Painting and Poetry by Gotthold Ephraim Lessing Laocoön, William Blake's last illuminated work Asteroid 3240 Laocoon