Oliver Marc Hartwich (born 1975), German economist and media commentator
From 20 October to 3 November 2007 he was the host of the RTL show Das Supertalent (German version of America's Got Talent) and since 20 October 2008 together with Daniel Hartwich.
Wilhelm Karl Hartwich (or Hartwig) Peters (April 22, 1815 in Koldenbüttel - April 20, 1883) was a German naturalist and explorer.