Salahaddin Mohammed Bahaaddin Sadiq (Kurdish: سەڵاحەدین محەممەد بەھائەدین سادق; Arabic: صلاح الدين محمد بهاء الدين صادق)[1] is a Kurdish Iraqi politician, (born July 1, 1950) in Tawela, a town referring to Halabja.

He is the co-founder and current Secretary-General of the Kurdistan Islamic Union, and a former member of the Iraqi Governing Council.

Having refused to join the Baath Party, he was tortured and faced the threat of further violence until he left Iraq and spent 10 years in diaspora, living in Iran, Turkey and the Gulf countries.

Salaheddin participated in founding Kurdistan Islamic Union[4] on February 6, 1994.

Later succeeded by Hadi Ali and Mohammed Faraj, in 2016 he was again elected Secretary-General.