Maiakawanakaulani Cerena Turepu Roos (born 27 July 2001) is a New Zealand rugby union player.

She plays as a Lock for the Black Ferns internationally and was a member of their 2021 Rugby World Cup champion squad.

She also plays for the Blues Women in the Super Rugby Aupiki competition and represents Auckland provincially.

[1] Roos was part of the inaugural Blues women's team that played in the first match against the Chiefs Manawa at Eden Park.

[1] She made her test debut for the New Zealand national women's side, the Black Ferns, against England in November.