His works include one (unsuccessful) opera, Jakob the Peasant (1919–1920), and the operettasChaste Barbara (1910), Polish Blood (1913), The Vineyard Bride (1916), and Beautiful Saskia (1917).
Because of mounting personal debts, Nedbal committed suicide by jumping out of a window of the Zagreb Opera House on 24 December 1930.
The waltz from his ballet The Tale of Simple Johnny (Der faule Hans) is played on the piano at a key moment by one of the characters in Heimito von Doderer's great novel of the inter-war years in Vienna, The Demons (Die Dämonen) (1956).
Sedlák Jakub (Jakub the Peasant; Le paysan Jakob) (1919–1920, revised 1928); libretto by L. Novák after Lope de Vega; premiere performance 13 October 1922 in Brno
Cudná Barbora (Chaste Barbara; Barbara the Chaste; Die keusche Barbara), Operetta in 3 acts (1910); libretto by R. Bernauer, L. Jacobson and V. Stech; premiere performance 14 September 1910, Vinohrady Theatre, Prague
Polská krev (Polish Blood; Polenblut), Operetta in 3 acts (1913); libretto by Leo Stein; premiere performance 25 October 1913, Carltheater, Vienna
Vinobraní (The Vineyard Bride; Die Winzerbraut), Operetta in 3 acts (1916); libretto by Leo Stein and J. Wilhelm; premiere performance 11 February 1916, Theater an der Wien, Vienna
Krásná Saskia (Beautiful Saskia; Die schöne Saskia), Operetta in 3 acts (1917); libretto by A. M. Willner and Heinz Reichert; premiere performance 16 November 1917, Carltheater, Vienna
Eriwan, Operetta in 3 acts (1918); libretto by Felix Dörmann; premiere performance 29 November 1918, Komödienhaus (Colosseum), Vienna
Mamselle Napoleon, Operetta in 1 act (1918, revised 1928); libretto by Emil Gölz and Arnold Gölz; premiere performance 21 January 1919, Die Hölle, Vienna
Donna Gloria, Operetta in 3 acts (1925); libretto by Viktor Léon and Heinz Reichert; premiere performance 30 December 1925, Carltheater, Vienna
Das Dorf ohne Männer, Operetta in 1 act (manuscript)
Die Erntebraut; revision of Polská krev with a German libretto by Hermann Hermecke; premiere performance 1942, Admiralspalast, Berlin
Podzimní píseň (Autumn Song; Le Chant d'automne); revision of Vinobraní with Czech libretto by Václav Špilar and Václav Mírovský; premiere performance 24 October 1930, Velká opereta, Prague
Pohádka o Honzovi (The Tale of Honza; Tale of Simple Johnny; Jean le paresseux; Der faule Hans), Ballet-Pantomime in 5 scenes (1901–1902); libretto by František Karel Hejda; premiere performance 24 January 1902, National Theatre, Prague
Z pohádky do pohádky (From Fairy Tale to Fairy Tale; De conte en conte; Großmütterchens Märchenschätze) (1907); libretto by Ladislav Novák; premiere performance 25 January 1908, National Theatre, Prague
Princezna Hyacinta (Princess Hyacinth) (1910); libretto by Ladislav Novák; premiere performance 1 September 1911, National Theatre, Prague
Čertova babička (The Devil's Grandmother; Des Teufels Großmutter), Ballet-Pantomime in 3 scenes (1912); libretto by Karl van Zeska and Gertrude Stöhr; premiere performance 20 April 1912, Wiener Hofoper, Vienna
Andersen, Fairy Tale Ballet in 7 scenes, a prologue and an epilogue (1912); libretto by Ladislav Novák and Jaroslav Kvapil; premiere performance 1 March 1914, Ronacher, Vienna
Pevec lásky (Le Minnesänger) (1921); libretto by Ladislav Novák; premiere performance 9 April 1921 in Vienna (manuscript)
Cikánské kouzlo (La magicien tzigane); libretto by V. Stech (manuscript, incomplete)
Tajna; libretto by C. Sylva (manuscript, incomplete)
Die Hermannsschlacht, Music for the play by Heinrich von Kleist (1914); premiere performance 10 December 1914, Burgtheater, Vienna