Johann Georg Reinhardt ( – 6 January 1742) was an Austrian composer. (His name is sometimes spelt Rheinhardt, Reinhard, or Reinharth.)
Appointed imperial court organist on 1 January 1708, he later became later Kapellmeister of St. Stephen's Cathedral, Vienna. One of his students was Giuseppe Bonno. He composed ballets, serenatas, one opera and some church music.
Stage works
La più bella (libretto: Pietro Pariati), componimento da cantarsi per musica (1715, Vienna) L'eroe immortale (libretto: Pietro Pariati), servizio da camera (1717, Vienna) Il giudizio di Enone (libretto: Pietro Pariati), festa teatrale per musica (1721, Vienna)