Khair ad-Din
Khair ad-Din, Arabic name meaning "the goodness of the faith", may refer to:
- Hayreddin Pasha, Ottoman grand vizier
- Jam Khairuddin also known as Jam Tamachi, Sultan of Samma Dynasty
- Hayreddin Barbarossa, Barbary corsair and Ottoman admiral
- Khayr al-Din al-Ramli, 17th-century Islamic jurist, teacher and writer
- Hayreddin Pasha, Tunisian political reformer and Ottoman Grand Vizier
- Kheireddine Abdul Wahab, Lebanese businessman and politician
- Khayreddin al-Ahdab, Lebanese politician
- Muhammad Khair ud-din Mirza, Khurshid Jah Bahadur, titular Emperor of the Mughal Empire
- Khairuddin Mohamed Yusof, medical professor at the University of Malaya
- Khairuddin Abdul Hamid, Bruneian politician
- Mohammed Khaïr-Eddine, Moroccan writer
- Hajrudin Varešanović, known as Hari Varešanović, Bosnian singer
- Kheireddine Kherris, Algerian footballer
- Kheireddine Zarabi, Algerian footballer
- Tasha Kheiriddin,, Canadian political commentator