Hadi Tjahjanto (born 8 November 1963) is the Coordinating Minister for Political, Legal, and Security Affairs under President Joko Widodo's Onward Indonesia Cabinet, replacing Mahfud MD due to his resignation.

Hadi's father Bambang Sudardo served as a personnel in Abdurrahman Saleh airbase, motivating him to join the Air Force Academy following his graduation from high school.

[7] During his time at the defense ministry, he helped uncover a corruption in the purchase of F-16 and Apache helicopters, where a brigadier general was eventually prosecuted and found guilty.

[10] Due to Gatot's scheduled retirement in 2018, on 4 December 2017 Jokowi (through Secretary of State Pratikno) submitted a letter to the People's Representative Council through deputy chairman Fadli Zon, nominating Hadi as the sole candidate to replace him.

[13][14] He was appointed as field commander of Mandalika International Street Circuit in January 2022 by Joko Widodo for 2022 Indonesian motorcycle Grand Prix.