Ratu Hemas of Yogyakarta (born 31 October 1952) is the current Queen consort of Yogyakarta Sultanate, a reigning sultanate of the Special Region of Yogyakarta in Indonesia. She is also a senator of the Indonesian Regional Representative Council (DPD) from the region since 2004, as well as a Deputy Speaker of the DPD in 2009–2014 and 2014–2019.