Yaa Ntiamoah Baidu (or Yaa Ntiamoa-Baidu) is a Ghanaian zoologist, environmental specialist, academic and management expert. In March 2017, she was appointed the Chair of the Board of Millennium Development Authority of Ghana. She served as a Pro Vice Chancellor of the University of Ghana until her retirement in 2011. She is a member of the New Patriotic Party of Ghana.