Franz Adolf Syberg (5 July 1904 - 11 December 1955) was a Danish composer.
His 1931 Quintet for flute, clarinet and string trio was chosen in 1938 to be performed at the International Society for Contemporary Music in London and the Nordic Music Days in Copenhagen.
The years following this saw the composition of his most mature works, ending in 1942, when he stopped composing.
His work was largely forgotten until 1990, when seven of his compositions were performed at the Musikhøst festival in Odense.
His music has much in common with German neo-classicism similar to Hindemith, with much counterpoint and dense linearity, resulting in some harsh and dissonant harmonies.