Ghiyath al-Din

Ghiyath al-Din (غیاث الدین), also transcribed as Ghiyāthu'd-Dīn, Ghiyasuddin, etc. is the name of many persons in the Islamic world. It may refer to:

People

 * Ghiyath ad-Din Muhammad Tapar (died 1118), Seljuk Sultan
 * Ghiyath al-Din Abu'l-Fath Umar ibn Ibrahim Al-Nishapuri al-Khayyami, better known as Omar Khayyam, (1048–1131), Persian scientist and poet
 * Ghiyasuddin Iwaz Shah (1150–1227), ruler of Bengal
 * Ghiyath al-Din Muhammad (fl. 1176–1200), ruler of the Ghorid dynasty in Khorāsān
 * Ghīyāth al-Dīn Kaykhusraw bin Qilij Arslān, or Kaykhusraw I (died 1211), Seljuk Sultan of Rum
 * Ghīyāth al-Dīn Kaykhusraw bin Kayqubād, or Kaykhusraw II (died 1246), Seljuk Sultan of Rum
 * Ghīyāth al-Dīn Kaykhusraw bin Qilij Arslān, or Kaykhusraw III (died 1284), Seljuk Sultan of Rum
 * Ghiyas ud din Balban (1200–1287), Turkic ruler of the Delhi Sultanate
 * Ghiyath al-Din Tughluq (died 1325), founder of the Muslim Turkic Tughluq dynasty in India
 * Ghiyasuddin Bahadur Shah (died 1328), ruler of Bengali kingdom of Lakhnauti
 * Ghiyas al-Din ibn Rashid al-Din, (died 1336), Ilkhanate politician
 * Ghiyasuddin Tughluq Khan (died 1389), Muslim Turkic ruler of the Tughlaq Dynasty
 * Ghiyasuddin Baysunghur (1397–1433) son and associate of the Timurid ruler Shah Rukh in Herat
 * Ghiyāth al-dīn Naqqāsh (fl. 1419–1422), the diarist of a Persian embassy to China
 * Ghiyāth al-Dīn Jamshīd ibn Masʾūd al-Kāshī, or just Jamshīd al-Kāshī (c. 1380–1429), Persian astronomer and mathematician
 * Ghiyasuddin Azam Shah (1390–1411), third Sultan of the first Ilyas Shahi dynasty of Bengal
 * Ghiyāth al-Dīn ʿAlī Iṣfahānī, fifteenth century, scholar in Badakhshān
 * Ghiyath Shah (1469–1500), second Sultan of the Khilji dynasty of Malwa
 * Ghiyasuddin Mahmud Shah (deposed 1538), last sultan of the Hussain Shahi dynasty of Bengal
 * Ghiyasuddin Bahadur Shah II (r. 1555–1561), Sultan of Bengal
 * Ghiyasuddin Jalal Shah (died 1563), Sultan of Bengal
 * Muhammed Ghiya'as ud-din (fl. 1766–1773), Sultan of the Maldives
 * Musa Ghiatuddin Riayat Shah of Selangor (1893–1955), Sultan of Selangor
 * Ghayasuddin Pathan (1897–1963), Bengali politician
 * Ghiasuddin Ahmad (born 1927), Indian-Bengali politician
 * Ghyasuddin Ahmed (1933–1971), Bengali lecturer and historian
 * Ghayasuddin Siddiqui (born 1939?), British-Pakistani academic and political activist
 * T. M. Giasuddin Ahmed (1937–2020), Bangladeshi politician and former minister
 * Muhammad Gias Uddin (born 1952), Bangladeshi politician
 * Gias Uddin Ahmed (1954–2002), Bangladeshi politician and army officer
 * Giasuddin Molla (born 1956), Indian-Bengali politician
 * Giasuddin Selim, Bangladeshi film director
 * Giasuddin Al Mamun, Bangladeshi businessman and owner of Channel 1
 * Giasuddin Quader Chowdhury, Bangladeshi politician
 * Gias Uddin Chowdhury, Bangladeshi politician
 * Gyasuddin Shaikh, Indian politician

Places

 * Ghiyasuddin International School, Malé, Maldives. – School named after Sultan Muhammed Ghiya'as ud-din.
 * Giasuddin Islamic Model College, Narayanganj, Bangladesh. – School named after former MP Muhammad Gias Uddin.