Tronajâyâ (Madurese) or Trunajaya also known as Panembahan Maduretno (born: Madura, 1649 — died: Payak, Bantul, 2 January 1680) is a prince and warlord from Arosbaya, Bangkalan, Madura.

In 1674 he leads a revolt against Amangkurat I and Amangkurat II of Mataram.

He is supported by itinerant fighters from Makassar led by Kraeng Galesong.

The Trunojoyo rebellion moves swiftly and strong, and captures the Mataram court at Plered in mid-1677.