Datuk Wira Hajah Mas Ermieyati binti Samsudin (Jawi: ?? ?????????? ??? ??? ?????) is a Malaysian politician.
She is also a Member of Parliament for Masjid Tanah, Malacca since 2013.
She was the former Deputy Minister of Tourism and Culture and Chief of the Woman's Youth (Puteri) of United Malays National Organisation (UMNO), a major component of Barisan Nasional (BN) coalition.
She resigned from UMNO to be an Independent politician after the 2018 general election.
Presently she is a member of the Malaysian United Indigenous Party or Parti Pribumi Bersatu Malaysia (BERSATU), a component of Pakatan Harapan (PH) coalition since 2019.