Paduka Sri Sultan Rijaluddin Muhammad Shah ibni al-Marhum Sultan Sulaiman Shah II (Arabic: سري السلطان رجال الدين محمد شاه بن المرحوم سلطان سليمان شاه کدوا) (died 4 October 1652) was the 13th Sultan of Kedah. His reign was from 1626 to 1652. He assumed the regency when his father was carried off to Aceh in 1619 as a prisoner.