Kas Hartadi (born 6 December 1970) is an Indonesian football manager/head coach, who was most recently the head coach of Championship club PSIS Semarang and former player.
Honours Player Indonesia SEA Games gold medal: 1991
Managerial Sriwijaya Indonesia Super League: 2011–12
Kalteng Putra Third Place at Liga 2 (promoted to Liga 1) : 2018
Dewa United Third Place at Liga 2 (promoted to Liga 1) : 2021
RANS Nusantara Liga Nusantara: 2025–26
References