Eudejeania is a genus of flies in the family Tachinidae.

C. elegans most commonly refers to the model round worm Caenorhabditis elegans. It may also refer to any of the species below. They are listed, first in taxonomic order and, second, alphabetically.

Pyrrhopoda elegans is a species of flower chafers, a group of scarab beetles, comprising the subfamily Cetoniinae. It is found in Madagascar.