Park Jin-sub has represented South Korea at youth level and part of the senior team squads. Between 1998 and 2004 he played 35 times and all of his 5 goals scored against Nepal on September 29, 2003.
Managerial career
On 18 December 2017, Park was officially appointed as Gwangju FC manager.
On 8 December 2020, Park was officially appointed as FC Seoul manager.
On 6 January 2022 Park Jin-sub became manager of Jeonbuk Hyundai Motors B Team, for Jeonbuk Hyundai Motors's first season outside of the youth leagues as their reserve team participates in the K4 League along with other Reserve Teams.
On 3 June 2022, he was appointed as the new manager of Busan IPark after resignation of Ricardo Peres.