Khair ad-Din

Khair ad-Din (خير الدين), Arabic name meaning "the goodness of the faith", may refer to:


 * Hayreddin Pasha (1330-1387), Ottoman grand vizier
 * Jam Khairuddin also known as Jam Tamachi (1367–1379), Sultan of Samma Dynasty
 * Hayreddin Barbarossa (1478–1546), Barbary corsair and Ottoman admiral
 * Khayr al-Din al-Ramli, (1585–1671) 17th-century Islamic jurist, teacher and writer
 * Hayreddin Pasha (c. 1822–1890), Tunisian political reformer and Ottoman Grand Vizier (sometimes known as "Khair al-Din" or "Khaireddin")
 * Kheireddine Abdul Wahab (1878–1944), Lebanese businessman and politician
 * Khayreddin al-Ahdab (1894–1941), Lebanese politician
 * Muhammad Khair ud-din Mirza, Khurshid Jah Bahadur (1914–1975), titular Emperor of the Mughal Empire
 * Khairuddin Mohamed Yusof (born 1939), medical professor at the University of Malaya
 * Khairuddin Abdul Hamid (born 1966), Bruneian politician
 * Mohammed Khaïr-Eddine (born 1941), Moroccan writer
 * Hajrudin Varešanović, known as Hari Varešanović (born 1961), Bosnian singer
 * Kheireddine Kherris (born 1973), Algerian footballer
 * Kheireddine Zarabi (born 1984), Algerian footballer
 * Tasha Kheiriddin, (born 1970), Canadian political commentator