Haeckel (disambiguation)

Haeckel or Häckel can refer to:

• Ernst Haeckel (1834–1919), German biologist, naturalist, philosopher, physician, professor and artist
• František Häckel, Czechoslovakian cross country skier
• Stephan H. Haeckel (born 1936), American management theorist who developed the idea of the sense-and-respond organization

• 12323 Haeckel, a minor planet named after Ernst Haeckel
• Haeckel's Law, a version of the Recapitulation theory in biology

• Hackel
• Haeckel Peak