Paku Alam IX
 KGPAA Paku Alam IX (born as Ambarkusumo 7 May 1938 in Yogyakarta) is the current ruler of Pakualaman in central Java Indonesia. He succeeded as Paku Alam upon the death of the last ruler his father Paku Alam VIII on 11 September 1998 and was formally installed as Kanjeng Gusti Pangeran Adipati Arya Paku Alam IX on 26 May 1999.