Vojtech Matyáš Jírovec (
Adalbert Gyrowetz) (20 February 1763 – 19 March 1850) was a
Bohemian composer. He mainly wrote instrumental works, with a great production of string quartets and symphonies; his
operas and
singspiele numbered more than 30, including
Semiramide (1791),
Der Augenarzt (1811), and
Robert, oder Die Prüfung (1815).