F小调是一个于F音开始的音乐的小调，组成的音有F、G、降A、降B、C、降D、降E及F（如在和声小调中，则降E改以E（♮E）取代）。F小调是一个有四个降号的调。

它的相对大调是降A大调，并行大调是F大调。

F minor is a minor scale based on F, consisting of the pitches F, G, A♭, B♭, C, D♭, and E♭. The harmonic minor raises the E♭ to E♮. Its key signature has four flats.

Its relative major is A-flat major, and its parallel major is F major.

Two famous pieces in the key of F minor are Beethoven's Appassionata Sonata, and Haydn's Symphony No. 49 in F minor, La Passione.