E. americanus

E. americanus may refer to:
 * Erinus americanus, an ornamental plant species in the genus Erinus
 * Esox americanus, a fish species
 * Euchirograpsus americanus, a crab species in the genus Euchirograpsus
 * Eucosmodon americanus, an extinct mammal species
 * Euonymus americanus, a bush species
 * Eupeodes americanus, a fly species