Qamar ud-Din
Qamar ud-Din, or Kamaruddin etc. is a Muslim male or female name or (in modern usage) surname. In Arabic, Qamar ud-Din (قمر الدين) means "Moon of the Faith", and also refers to an apricot-based beverage. It may refer to:
Men
- Shah Sultan Qamar ad-Din ar-Rumi (died 1075), Sufi missionary to Bengal
 - Qamar-ud-din Khan Dughlat (died 1392), Mongol ruler of Moghulistan between 1368 and 1392
 - Qamar-ud-din Khan, Asaf Jah I (1671–1748), founder of the Asaf Jahi dynasty of Hyderabad
 - Itimad-ad-Daula, Qamar-ud-Din Khan (died 1748), former Grand Vizier of the Mughal Empire
 - Khwaja Qamar ul Din Sialvi (1906–1981), Pakistani religious leader and politician
 - Kamruddin Ahmed (1912–1982), Bangladeshi diplomat, lawyer and politician
 - Qamruddin Ahmad Gorakhpuri (1938-2024), Indian Islamic scholar
 - Qamaruddin Butt (1914–1974), Pakistani cricketer
 - Qamaruddin Bismillah Khan (1916–2006), Indian shehnai player
 - Komarudin (1919–1949), Indonesian freedom fighter
 - Kaimar-ud-Din bin Maidin (1942–2009), Malaysian athlete
 - Raja Petra Kamarudin (1950-2024), British-Malaysian journalist
 - Kamarudin Jaffar (born 1951), former Malaysian Minister of Foreign Affairs
 - Kamaruddin Jaafar (born 1951), Malaysian politician
 - Komaruddin Hidayat (born 1953), Indonesian academic and intellectual
 - Kamaruddin Taib (born 1957), Malaysian businessman
 - Kamarul Afiq Kamaruddin (born 1986), Malaysian footballer
 - Kamarudeen 'Kamaru' Usman (born 1987), Nigerian-American MMA fighter and former UFC Welterweight Champion
 - Haziq Kamaruddin (1993–2021), Malaysian Olympic archer
 - Kamarudin Meranun (born 1960), Malaysian businessman
 - Kamaruddin Bohan (born 1995), Malaysian footballer
 - Komarodin (born 1995), Indonesian footballer
 - Kamruddin Ahia Khan Majlish (died 2020), Bangladeshi politician
 - Suhaimi Kamaruddin, Malaysian politician
 - Kamarudin Md Nor, Malaysian politician
 - Kamaruddin Ahmed Dinajpuri, Bangladeshi politician
 
Women
- Zuraida Kamaruddin (born 1958), Malaysian politician
 
Other
- Qamar al-Din, a Syrian apricot drink popular during the month of Ramadan
 
See also
- Qamar (disambiguation)
 - Quammruddin Nagar, town in the Indian state of Delhi