The String Quintet in C major, Op. 29 by Ludwig van Beethoven was composed in 1801. This work is scored for string quartet and an extra viola (two violins, two violas, and cello). The Op. 29 is Beethoven's only full-scale, original composition in the string quintet genre; of his other quintet works, the Op. 4 is an extensively reworked arrangement of the earlier Octet for Winds, Op. 103, the Op. 104 is an arrangement of an earlier piano trio, and the later fugue is a fragmentary work.

Date of composition 1801
Type String Quintet
Tonality C Major
Catalogue Op. 29
Instruments Cello
2x Viola
2x Violin
Autotranslations beta Ludwig van Beethoven: Quintette à cordes en do majeur, Op. 29
Ludwig van Beethoven: Quintetto d'archi in do maggiore, Op. 29
Ludwig van Beethoven: Streichquintett C-dur, Op. 29