Gatoloaifa’aana Tilianamua Afamasaga COS (born 5 May 1947)[1] is a Samoan educator.

[1] In 1997 the college merged with the National University of Samoa and she became the first Dean of the Faculty of Education.

[1] Eight years later, she became the first Director of the university's Oloamanu Centre for Professional Development and Continuing Education.

[2] Afamasaga has been involved in the development of Samoa Qualifications Authority, and president of the Council of Pacific Education.

[8][9] In December 2022 the National University of Samoa announced they would be awarding her an Honorary Doctorate of Letters for her career as an educator.