Hermann III of Baden (died January 16, 1160), nicknamed the Great, was Margrave of Verona and Baden.
He was the son of Hermann II of Baden and Judit von Hohenberg. He served as regent for the margraviate of Baden from 1130 until 1160.
Faithfully devoted to the Staufens, Hermann III came in conflict with his relatives from Zähringen-Swabia. In 1140 he participated in the siege of Weibtreu castle, and received the bailiwick of Selz in Alsace.
In 1151 the margravate of Verona was taken from Ottokar III of Styria and conferred on Hermann III. A deed of donation exists from 1153, that states Friedrich I bought Castle Besigheim from Hermann III.
Hermann III fought in Lombardy in 1154 and aided Friedrich I in the latter's siege of Milan.
Hermann III took part in the Second Crusade, and fought in the first Italian campaign of the Emperor.
He married Bertha von Lothringen (d. after 1162) in 1134. Secondly, he married Maria of Bohemia after 1141. She was the daughter of Duke Sobeslav I of Bohemia.
He had the following children:
Hermann III was buried in the Augustine Monastery in Backnang.
| Preceded by Hermann II of Baden |
Margrave of Baden 1130–1160 |
Succeeded by Hermann IV of Baden |