- Kabalevsky D. – Album of Pieces for Young Cellists
- Kabalevsky D. – Concerto for cello and orchestra №1 g-moll, op.49
- Kabalevsky D. – Concerto for cello and orchestra №2 c-moll op.77
- Kabalevsky D. – Cello Concerto No.1 Op.49
- Kabalevsky D. – Cello Concerto No.1 Op.49 (Moscow 1954)
- Kabalevsky D. – Cello Concerto No.2 Op.77 (Shafran)
- Kabalevsky D. – Sonata for Cello and Piano
- Kabalevsky D. – Sonata for cello and piano B-Dur, op.71
- Kabalevsky D. – Sonata for cello and piano B-Dur op.71 All Parts
- Kahn R. – Sonata Op.56 (Becker)
- Kapp E. – Sonata for Cello and Piano
- Karg-Elert S. – Sonata No.1 Op.71
- Kaschperow L. – Cello Sonata No.1 in G Op.1 No.1
- Kaschperow L. – Cello Sonata No.2 in E minor Op.1 No.2
- Kefeli A. – Cello Sonata
- Kenins T. – Sonata for cello and piano
- Khachaturian A. – Cello Concerto
- Khachaturian A. – Cello Concerto V.2
- Khachaturian A. – Concert Rhapsody (Kalmus)
- Khachaturian K. – Chipollino Suite (Utkin)
- Khachaturian K. – Sonata for Cello and Piano
- Khaet V. – Ballade
- Khokhlova T. – Sonata-Ballad
- Khrennikov T. – Concerto for cello and orchestra C-Dur №1, op.16
- Khrennikov T. – Cello Concerto No.1 Op.16 (Khomitser, Rostropovich)
- Khrennikov T. – Cello Concerto No.2 Op.30 (Khomitser)
- Khrennikov T. – Cello Sonata Op.34 (Khomitser)
- Kiel F. – Cello Sonata Op.52 in A minor (Simrock)
- Kireiko V. – Cello Concerto
- Kiva O. – Sonata for Cello and Piano
- Klengel J. – 6 Pieces Op.26 (No.1, 2, 3, 5, 6)
- Klengel J. – Andante sostenuto Op.51
- Klengel J. – Cello Concerto No.1 in A minor Op.4
- Klengel J. – Cello Concerto No.3 in A minor Op.31
- Klengel J. – Cello Concerto No.4 in B minor Op.37
- Klengel J. – Concerto for Cello and Orchestra №4 h-moll Op.37
- Klengel J. – Concertino No.1 in C Major Op.7
- Klengel J. – Concertino No.2 in G Major Op.41
- Klengel J. – Concertino No.3 in A minor Op.46
- Klengel J. – Concert Piece in D minor Op.10
- Klengel J. – Mazurka No.3 Op.14
- Klengel J. – Old Dance Op.44 No.2
- Klengel J. – Romanze Op.44 No.1
- Klengel J. – Scherzo in D minor Op.6
- Klengel J. – Suite Op.1
- Klengel J. – Variations Op.19
- Klingler K. – Cello Sonata
- Klughardt A. – Cello Concerto Op.59
- Kochurov Y. – Cello Sonata Op.1
- Kodaly Z. – Adagio for cello and piano
- Kodaly Z. – Sonatina for cello and piano a-moll
- Koechlin C. – Shansons Bretonnes
- Kokkonen J. – Cello Sonata
- Kollontay M. – The feeling of an evil-doer on Christmas Eve
- Kopytko V. – Lied ohne Worte for Cello and Piano
- Korndorf N. – Triptych for cello and piano
- Kousnetzoff A. – Regrets Op.10
- Kraft A. – Concerto in C
- Krasnovsky R. – Elegy
- Krehl S. – Cello Sonata in F Op.20
- Krug A. – 3 Skizzen for Cello and Piano Op.47 (1894)
- Krug A. – Cavatina
- Kucken F. – Violin Sonata in D Op.12 No.2 (Bellmann)
- Kudelski C.M. – Morceau de concert Op.27a
- Kuhnel A. – Sonata in A Major (Bennat)
- Kummer F. – Concertino C-Dur for Cello and Piano