Franz Weiss or Weiß may refer to:
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Franz Weiss (violist)
Franz Weiss (18 January 1778 – 25 January 1830) was an Austrian violinist and viola player, and a composer. He is known particularly as a viola player in the Schuppanzigh Quartet, which was associated with the string quartets of Ludwig van Beetho ...
, Austrian violinist and viola player
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Franz Weiß (politician), German politician
{{hndis, Weiss, Franz