Adolf I (died 13 November 1130) was the first Count of Schauenburg from 1106 and the second Count of Holstein from 1111. He made an important contribution to the colonisation and Germanisation of the lands north of the Elbe.He was appointed to hold as fiefs Holstein and Stormarn, including Hamburg, by Lothair, Duke of Saxony, in 1111. By this appointment Adolf became the leader of the defence of Germany against the Wagri.