Paduka Sri Sultan Ataullah Muhammad Shah I ibni al-Marhum Sultan Sulaiman Shah I (Jawi: äïÃÂàóñàóÃÂ÷çàù÷çá çÃÂÃÂààÃÂàï ôçàá çèàçÃÂàñÃÂÃÂàóÃÂ÷çàóÃÂÃÂàçàôçàá; died 22 January 1473) was the eighth Sultan of Kedah and reigned from 1423 to 1473.