Ernst Haeckel (disambiguation)
Ernst Haeckel or Häckel is the name of the following people:
- Ernst Haeckel (1834–1919), German physician, comparative anatomist, zoologist and natural philosopher
- Ernst Häckel (General) (1890–1967), also Haeckel, German officer, lieutenant general of the Wehrmacht and holder of the Knight's Cross
Ernst Haeckel is the name of:
- Ernst Haeckel (ship) , fisheries research ship of the GDR