Paku Alam I, originally known as Bendara Pangeran Harya Natakusuma, was the first Duke (Adipati) of Pakualaman, rewarded for helping the British quell the conflict in Yogyakarta in June 1812. Pakualaman became a small hereditary Duchy within the Sultanate of Yogyakarta, as a mirror-image of the Duchy of Mangkunegaran within the territory of the Susuhunanate of Surakarta. Paku Alam I ruled from 1812 to 1829 and was buried at Kota Gede.
| Kanjeng Gusti Pangeran Adipati Arya Paku Alam I | |
| Death Date: | 1829 |
| Succession: | 1st Adipati of Pakualaman |
| Reign: | 1813 – 1829 |
| Successor: | Paku Alam II |
| Royal House: | Mataram |
| Father: | Hamengkubuwana I |
| Mother: | Bendara Raden Ayu Srenggara |
| Death Place: | Pura Pakualaman, Yogyakarta Sultanate |
| Issue: | Paku Alam II |