In music, Op. 107 stands for Opus number 107. Compositions that are assigned this number include:

Beethoven – Ten National Airs with Variations for Flute and Piano Chaminade – Flute Concertino Dvořák – The Water Goblin Mendelssohn – Symphony No. 5 Schumann – 6 Gesänge Shostakovich – Cello Concerto No. 1