Ecto may refer to:
Ecto, a medical prefix meaning outer or outside Ecto (album), by Happy Rhodes, 1987 Ecto (software), a weblog client
See also
Endo (disambiguation) Exo (disambiguation) Ectoderm, in biology, the outermost tissue layer Ectoplasm (cell biology), the outer part of the cytoplasm Ectotherm, in biology, a cold-blooded animal