Ahmad Tajuddin Halim Shah I
أحمد تاج الدين حليم شاه ١
Sultan and Yang di-Pertuan of the State of Kedah Dar ul-Aman
Reign1706–1710
PredecessorAbdullah Mu'adzam Shah
SuccessorMuhammad Jiwa Zainal Adilin Mu'adzam Shah II
Died15 February 1710
Istana Baginda, Kota Bukit Pinang
Burial
Posthumous name
Al-Marhum Bukit Pinang al-Thani
HouseKedah
FatherAbdullah Mu'adzam Shah
MotherWan Nang Mas
ReligionSunni Islam

Paduka Sri Sultan Ahmad Tajuddin Halim Shah I ibni al-Marhum Sultan Abdullah Mu'adzam Shah (Jawi: ڤدوك سري سلطان أحمد تاج الدين حليم شاه ١ ابن المرحوم سلطان عبد الله معظم شاه; died 15 February 1710) was the 18th Sultan of Kedah. His reign was from 1706 to 1710. He was appointed as Heir Apparent with the title of Raja Muda, after his elder brother, Tunku Muhammad Jiwa had left for Sumatra.

Ahmad Tajuddin Halim Shah I of Kedah House of Kedah Died: 15 February 1710 Regnal titles Preceded byAbdullah Mu'adzam Shah Sultan of Kedah 1706–1710 Succeeded byMuhammad Jiwa Zainal Adilin Mu'adzam Shah II