Sa'duddin (2 June 1961 – 16 May 2021) was an Indonesian politician and a member of the Islam-based Prosperous Justice Party (PKS).

[1][2] During his term, he oversaw the elimination of tuition fees for students at state-run elementary and junior high schools.

Sa'duddin accused the winning candidate of practicing money politics and challenged the election result, but the Constitutional Court upheld Neneng's victory.

[5] In 2017, he stood for election as Bekasi regent, this time with musician Ahmad Dhani as his running mate, but they came second with 24.84% of the vote.

[6] Sa'duddin died on 16 May 2021 at Hermina Hospital in Depok after suffering a lung disease.