Denay Jock Chagor is a South Sudanese politician and the governor of Jonglei State since July 2020.

In 2015, Chagor became the deputy chairman and chief of general staff for the South Sudan United Movement (SSUM), a rebel group part of the South Sudan Opposition Alliance (SSOA) coalition.

[1] After the death of Peter Gadet Yak, the founder of the SSUM, Chagor was appointed on May 14, 2019, as the temporary head of the movement.

[7] Finally, on July 15, 2020, president Salva Kiir picked Chagor as governor, removing him from the Minister of Higher Education position.

[8][9] Jonglei State did not have a governor from February 22 to July 15 due to the dispute in the SSOA.