E. robustus

E. robustus may refer to:
 * Epigonus robustus, the robust cardinalfish, a deepwater fish species
 * Eremurus robustus, a plant species native to the Tien Shan and Pamir Mountains in central Asia
 * Eschrichtius robustus, the gray (or grey) whale, a baleen whale species
 * Eudyptes robustus, the Snares penguin, Snares crested penguin or Snares Islands penguin, a penguin species from New Zealand