Muslih ud-Din, variously spelt Muslihuddin, Muslehuddin, Moslehuddin etc., () may refer to:
Muṣliḥ al-Dīn bin Abdallāh Shīrāzī, known as Saadi (1184 – c. 1283), Persian poet Mosleh al-Din Lari (1510 – 1572), Persian scholar and historian Kurtoğlu Muslihiddin Reis (1487 – c. 1535), Turkish privateer and Ottoman admiral Muhammad Muslehuddin Siddiqui (1918–1983), Sufi leader of Hyderabad (India) Mosleh Uddin Ahmed, Bangladeshi politician Moslehuddin Ahmed, West Bengali politician Muslehuddin Ahmad (died 2012), Bangladeshi diplomat and academic Musleh Uddin Ahmed, Bangladeshi academic Muslehuddin (composer) (1932–2003), Pakistani film composer, music director Şeyh Muslihiddin (died 1574), Ottoman Sufi saint and scholar
See also
Musleh Uddin Bhuiyan Stadium, cricket stadium in Bangladesh Muslihudin Čekrekčija Mosque, mosque in Sarajevo