Derek Oldham was an English singer and actor, best known for his performances in the tenor roles of the Savoy Operas with the D'Oyly Carte Opera Company.

Madame Pompadour is an operetta in three acts, composed by Leo Fall with a libretto by Rudolph Schanzer and Ernst Welisch. Conducted by the composer, it opened at the Berliner Theater in Berlin on 9 September 1922 and then at the Theater an der Wien in Vienna on 2 March 1923.