Dietrich III may refer to:

• Dietrich III, Count of Cleves (r. 1172–1188)
• Theodoric III of Isenburg-Kempenich (fl. 1232)
• Dietrich III of Limburg-Styrum (fl. 1347–1391)

Topics referred to by the same term

This disambiguation page lists articles about people with the same name.
If an internal link led you here, you may wish to change the link to point directly to the intended article.