2 May 1729 in Drosendorf, Lower Austria – 19 September 1773 in Munich) was an Austrian composer and violinist.
Deller died in 1773 in the monastery of the Brothers of Mercy in Munich.
His compositional output consists mostly of operas, ballet music, sonatas and minuets.
He enjoyed in his lifetime a high reputation as a composer.
His works have been greatly appreciated, by, among others Mozart and Christian Friedrich Daniel Schubart.