Stephen III may refer to:

• Pope Stephen II, aka Stephen III, (d. 757), pope of the Roman Catholic Church
• Pope Stephen III (720–772), native of Sicily
• Stephen III of Iberia, Guaramid dynasty, presiding prince of Iberia (Kartli, eastern Georgia) from 779/780 to 788
• Stephen III of Naples (died 832), duke of Naples
• Stephen III of Hungary (1147–1172), King of Hungary and Croatia
• Stefan Dragutin of Serbia, Stephen III of Serbia (died in 1316)
• Stephen III, Duke of Bavaria (1337–1413)
• Stephen III Báthory (died 1444), Hungarian nobleman and commander, Palatine of Hungary
• Stephen III of Moldavia (c. 1433 – 1504), aka Stephen the Great, Prince of Moldavia

• Palindanuwara Divisional Secretariat
• Palindia
• Palindiona
• Palin (disambiguation)
• Palindrome Buttress
• Palindromes.
• Palindromic arthritis
• Palindromic D.N.A
• Palindromic sequences
• Pali, Nepal
• Palin, Escuintla
• Palinganatham
• Paling (disambiguation)
• Palingenetic ultra-nationalism
• Palingenetic ultranationalist
• Palingenia longicauda
• Palinges
• Paling (surname)
• Palini, Greece
• Palinka
• Palinka with PDO
• Palin, Michalovce
• Palin, Michalovce District
• Palinosytus huegelii
• Palinovec