''Not to be confused with works of the same title by Federico Mompou, Ferruccio Busoni, or Roger Smalley.''
'''''Variations on a Theme of Chopin''''' (, ''Variatsii na temu F. Shopena''), Op. 22, is a group of 22 variations on Frédéric Chopin's Prelude in C minor (Op. 28, No. 20), composed by Sergei Rachmaninoff in 1902-03. In the first edition, it is noted that 3 of the variations and the final Presto section can be omitted if the performer wishes.