Riazuddin

Riazuddin (رياض الدين) may refer to:


 * Riazuddin (physicist) (1930–2013), Pakistani theoretical physicist
 * Riazuddin (umpire) (1958–2019), Pakistani cricket umpire
 * Hamza Riazuddin (born 1989), English cricketer
 * Riyaz Uddin (painter), Indian miniature painter
 * Begum Akhtar Riazuddin (born 1928)
 * Shaikh Riazuddin (born 1971), Indian cricketer
 * Riaz ud-Din (field hockey) (1942-2001), Pakistani Olympic hockey player