Last name بدرالدین (بدرالدین 
, Bedreddin 
, Al-Badr 
) , around the globe, is a rare family name. The family name بدرالدین is characteristic of Qatar, where it is quite a rare surname, Saudi Arabia, where it is a rare surname, and Sudan. Measured by absolute frequency, it is the most numerous in Saudi Arabia, Sudan, and Iraq. Likewise, بدرالدین is the forename as well as the last name.