Joachim Otto von Bassewitz or Bassewiß (8 February 1686 - 10 March 1733) was a statesman and politician from the Holy Roman Empire.
[1] His first role was as kammerjunker to the Principality of Naumburg, then Kammerherr to Saxony and Poland (then in personal union).
[1] In between those two offices he served as ambassador to the Prussian court in Berlin[2] and later as Amtmann von Bordesholm, Kiel and Neumünster.
[1] Finally Charles Frederick, Duke of Holstein-Gottorp made him a Geheimrat and chamber president,[1] and Schlosshauptmann in Kiel.
[4][1] He was Herr of the estates of Dalwitz, Stierow, Stechow and Holz-Lübchin in Mecklenburg.