Prince Bernhard of Saxe-Weimar-Eisenach

Prince Bernhard of Saxe-Weimar-Eisenach may refer to:
 * Prince Bernhard of Saxe-Weimar-Eisenach (1792–1862), Prince Carl Bernhard, son of Charles Augustus, Grand Duke of Saxe-Weimar-Eisenach and husband of Princess Ida of Saxe-Meiningen.
 * Prince Bernhard of Saxe-Weimar-Eisenach (1878–1900), son of Charles Augustus, Hereditary Grand Duke of Saxe-Weimar-Eisenach (1844–1894) and potential suitor of Queen Wilhelmina of the Netherlands.
 * Prince Bernhard of Saxe-Weimar-Eisenach (1917–1986), Bernhard Friedrich Viktor, son of William Ernest, Grand Duke of Saxe-Weimar-Eisenach