Badi-uz-Zaman Safavi (Persian: بدیع‌الزمان صفوی; died 1659) was a prince of the Safavid dynasty of Persia and a powerful amir at the Mughal court during Emperor Shah Jahan's reign.

Shahnawaz Khan was the father-in-law of Mughal emperor Aurangzeb and his younger brother Prince Murad Baksh.

Shahnawaz Khan was the son of Mirza Rustam Safavi,[1] who rose to eminence during Emperor Jahangir's reign.

He belonged to the lineage of the old Mashad princes of Iran - his great-grandfather was a son of Shah Ismail I of the Safavid Empire.

[4] Shahnawaz Khan was made viceroy of Gujarat and ataliq to Shah Jahan's son, Prince Murad Baksh, at the time of his assignment to the Deccan.