Fantasie und Fuge über das Thema B-A-C-H (also in the first version known as Präludium und Fuge über das Motiv B-A-C-H, title in English: Fantasy and Fugue on the Theme B-A-C-H) (S.260i/ii [1st/2nd version], S.529i/ii [piano arrangement of 1st/2nd version]) is an organ fantasy on the BACH motif composed by Franz Liszt in 1855, later revised in 1870.

Date of composition 1855 (revised in 1870)
Premiered 1856, May 13th
First published 1856, Breitkopf & Härtel
Catalogue S. 260
Instruments Organ
Arrangements Franz Liszt: Präludium und Fuge über das Motiv B.A.C.H., S. 529/1
Franz Liszt: Fantasie und Fuge über das Thema B–A–C–H, S. 529/2
Autotranslations beta Franz Liszt: , S. 260
Franz Liszt: , S. 260
Franz Liszt: , S. 260