Cik Puan Besar Hajjah Kalsom binti Abdullah, formerly known as Sultanah Kalsom (née Anita Abdullah) is the former Sultanah consort of Pahang as the 2nd wife and widow of Sultan Haji Ahmad Shah.[1] Born on 12 September 1951, she is originally of Persian and Pakistani descent. Prior to her marriage, she was an air stewardess for a prominent airline.