Sultan Zainal Rashid Muadzam III of Kedah (4 September 1857 22 September 1881) was the 27th Sultan of Kedah(1879-1881), a present Malaysian state. HE was the son of Sultan Ahmad Tajuddin III with Wan Tan binti Luang Nik Abidin. HE married Tengku Mariam binti Tengku Ziauddin and had a daughter, Tunku Aishah binti Almarhum Sultan Zainal Rashid Muadzam Shah. HIs daughter married the Sultan of Langkat, Sultan Abdul Aziz Abdul Djalil Rahmat Shah. HE died on 22 September 1881 and was succeeded by his half-brother, Sultan Abdul Hamid Halim Shah.