The 5th World Congress on Nature and Biologically Inspired Computing (NaBIC2013) brings together international researchers, developers, practitioners, and users. The aim of NaBIC is to serve as a forum to present current and future work as well as to exchange research ideas in this field. NaBIC2013 invites authors to submit their original and unpublished work that demonstrates current research in all areas of Nature and Biologically Inspired Computing, as well as proposals for workshops, industrial presentations, demonstrations, and tutorials.