Husam al-Din

Husam al-Din or Husam ad-Din (حسام الدين) may refer to:


 * al-Malik al-Mansour Hossam ad-Din Lajin al-Mansuri (died 1299), Sultan of Egypt
 * al-Husayn Husam al-Din (died 1527), leader of the Tayyibi Isma'ili community
 * Hussam ad-Din Jarallah (1884–1954), Grand Mufti of Jerusalem
 * Hassam-ud-Din Rashidi (1911–1982), Pakistani journalist
 * Hüsamettin Cindoruk (born 1933), Turkish politician
 * Husām Ad-Din Muhammad (~11th century), grandfather of Shaykh Ishāq