Betty Nana Efua Krosbi (also spelled Crosby[1] and Krosby[2]) Mensah, (born August 29, 1980)[3] is a Ghanaian politician and the Member of Parliament for Afram Plains North constituency in the Eastern region of Ghana.

Mensah was also the Gender and Development Coordinator of Ghana Cooperative Credit Union from 2003 to 2005.

[10][11] She is the Vice President of the Young Parliamentarians Forum, Ghana Chapter.

[7] She is the daughter of Krosbi Mensah, the first MP for Afram Plains Constituency.

[3] In July 2021, Mensah donated a laptop to Michael Awingura, a student of the University of Ghana.