Rijaluddin Muhammad Shah of Kedah

Paduka Sri Sultan Rijaluddin Muhammad Shah ibni al-Marhum Sultan Sulaiman Shah II (Jawi: ڤدوك سري سلطان رجال الدين محمد شاه ابن المرحوم سلطان سليمان شاه ٢; died 4 October 1652) was the 13th Sultan of Kedah and reigned from 1626 to 1652.

He assumed the regency in 1619 when his father was carried off to Aceh as a prisoner.

He appealed for help from the King of Siam, in an attempt to counter Acehnese hegemony.

Hukum Kanun Kedah and Undang-Undang Pelabuhan Kedah which was a law very similar to Undang-Undang Melaka was written during his reign.

This biography of a member of a Malaysian royal house is a stub.