Alimuddin () is the name of:
Ilm-ud-Din or Alimuddin (1908–1929), Indian murderer Alimuddin Ahmad (1884–1920), Bengali activist and revolutionary Alimuddin (cricketer) (1930–2012), Pakistani cricketer Alimuddin Zumla (born 1955), British-Zambian professor of infectious diseases and international health Azim ud-Din I, also known as Alimuddin, eighteenth century Sultan of Sulu and Sabah Alimuddin Daeng Matiro, Indonesian regent
See also Mohammad Alim Uddin (1940–2015), Bangladeshi politician Alim Uddin