Hartwig Löger (born 15 July 1965) is an Austrian politician and former business executive.
From 2011 to 2017 he was chief executive officer of UNIQA Austria (part of the Uniqa Insurance Group) and since 2017 he served as Minister of Finance.
On 22 May 2019, following the Ibiza affair, he was named vice chancellor, and on 28 May 2019, he was sworn in as acting chancellor after Austria's first ever successful vote of no confidence against a cabinet, leaving this post on 3 June 2019.