Onyinye Anne Nwankwo, PhD, is a Nigerian linguist, researcher, and academic administrator whose work bridges scholarship, cultural preservation, and innovation. Her expertise spans language documentation and revitalisation, multilingual education, lexicology, translation studies, and organisational communication. She is an exponent of the Specialised Digital Lexicographic Theory, a groundbreaking framework that advances domain-specific dictionary development to safeguard indigenous linguistic registers.

Her research focuses on the preservation and modernisation of Igbo, combining traditional cultural documentation with cutting-edge digital lexicography. Onyinye Nwankwo has held pioneering leadership roles, including serving as the Head of the Department of Language and Linguistics, Head of Linguistics and Nigerian Languages, and the founding Director of the Iruka Centre for the Study of the Future of the Igbo, a Centre dedicated to revitalising and modernising Igbo for future generations. As a TETFund Desk Officer at AEFUNAI, she oversaw the approval and publication of textbooks sponsored by TETFund. Onyinye Anne Nwankwo is a Fellow at the National African Language Resource Centre (NALRC), Hamilton Lugar School of Global and International Studies, Indiana University, Bloomington, USA.

She has published in local and international journals.