•
Ala al-Din Husayn (died 1161), king of the Ghurid dynasty from 1149 to 1161 •
Ala al-Din Atsiz (died 1214), Sultan of the Ghurid dynasty from 1213 to 1214 •
Zia al-Din Ali, known as Ala al-Din Ali, last Sultan of the Ghurid dynasty, from 1214 to 1215 •
Kayqubad I or Alā ad-Dīn Kayqubād bin Kaykāvūs (1188–1237), Seljuq Sultan of Rûm •
Alauddin Sabir Kaliyari (1196–1291), Sufi saint • Ala al-Din Abu al-Hassan Ali ibn Abi-Hazm al-Qurashi al-Dimashq, or
Ibn al-Nafis (1213–1288), Arab Muslim polymath •
Ata-Malik Juvayni (in full: Ala al-Din Ata-ullah) (1226–1283), Persian historian •
Al al-Din (died 1312), Muslim Persian military expert who served in Kublai Khan's army •
'Ala al-Din al-Baji (1234 - 1315), a Shafi'i jurist, legal theoretician and theologian. •
Allauddin Khan (c. 1862–1972), Indian musician •
Alauddin Al-Azad (1932–2009), Bangladeshi writer •
Allauddin (1920–1983), Pakistani actor •
Hassan Alaa Eddin (born 1939), Lebanese actor also known as Chouchou •
Alā'-ud-dīn Muhammad Husni Sayyid Mubarak, Egyptian businessman •
Aladdin (1912–1970), full name Aladdin Abdullah Achmed Anthony Pallante, violinist on
The Lawrence Welk Show •
Allaedin Ghoraifi (born 1945), Iraqi Twelver Shi'a Marja •
Alaa El-Din Abdul Moneim (born 1951), Egyptian politician •
Alaattin Çakıcı (born 1953), Turkish ultra-nationalist and convicted criminal •
Alaeddine Yahia (born 1981), Tunisian-French footballer •
Aladdin Allahverdiyev (born 1947), Soviet, Russian and Azerbaijani scientist, professor (2001) •
Alauddin (born 1976), Pakistani cricketer •
Alaeddin Boroujerdi, Iranian politician •
Aladdin al-Droubi, Syrian politician
Rulers • Alā ud-Dīn
Atsiz (died 1156), Khwarazm Shah from 1127 until his death •
Ala ad-Din Tekish (died 1200), Khwarazm Shah from 1172 • Ala ad-Din
Muhammad II of Khwarezm (died 1221), Khwarazm Shah from 1200 •
Ala ud din Masud, Sultan of Delhi from 1242 to 1246 •
Alaeddin Keykubad (disambiguation), three Seljuk sultans in Anatolia •
Kayqubad I, 'Alā al-Dīn Kayqubād bin Kaykā'ūs (died 1237) •
Kayqubad II, 'Alā al-Dīn Kayqubād bin Kaykhusraw (died 1256) •
Kayqubad III, 'Alā al-Dīn Kayqubād bin Ferāmurz (died 1302) •
Alauddin Khalji (died 1316), a sultan and military leader in India •
Alaeddin Pasha (died 1331 or 1332), son of Osman I and brother of Orhan I, first Grand Vizier of the Ottoman Empire •
Alauddin Ali Shah (died 1342), a ruler in Bengal • Ala'a ad-Din
Kujuk (1334–1345), Mamluk Sultan of Egypt from 1341 to 1342 •
Ala-ud-Din Bahman Shah (died 1358), founder of the Bahmani Sultanate on the Indian subcontinent •
Alauddin Riayat Shah of Malacca (died 1488), Sultan of Malacca •
Alauddin Husain Shah (died 1519), Sultan of Bengal •
Alauddin Riayat Shah II of Johor (died 1564), founder of the Sultanate of Johor, grandson of Alauddin Riayat Shah of Malacca •
Alauddin al-Kahar (died 1571), Sultan of Aceh • Alauddin Alam Shah, regnal name of
Tengku Alam Shah (1846–1891), the last Malay sultan of Singapore ==Surname==