Variations on a Theme may refer to:

• Variations on a Theme of Frank Bridge
• Carmen Variations (Horowitz), subtitled "Variations on a Theme from Carmen"
• Variations on a Theme of Chopin (Mompou)
• Variations on a Theme of Chopin (Rachmaninoff)
• Variations on a Theme of Corelli
• Variations and Fugue on a Theme by Handel
• Variations on a Theme by Haydn
• Variations and Fugue on a Theme by Hiller
• Variations and Fugue on a Theme by Mozart
• Introduction and Variations on a Theme by Mozart (Sor)
• Variations and Fugue on a Theme of Purcell, subtitled The Young Person's Guide to the Orchestra
• Variations, Interlude and Finale on a Theme by Rameau
• Variations on a Theme by Tchaikovsky (Arensky)
• Variations on a Theme by William Carlos Williams, a poem by Kenneth Koch
• Variations on a Theme (Om album)
• Variations on a Theme (David Thomas album)
• Variations on a Theme Publishing
• Variation on a Theme (play), a 1958 work by the British writer Terence Rattigan

Variations may refer to:

• Orchestral Variations (Copland)
• Piano Variations (Copland)
• Variation on a Waltz by Diabelli (Liszt)
• Variations for Winds, Strings and Keyboards
• Enigma Variations, subtitled "Variations on an Original Theme for Orchestra"
• Variations for piano (Webern)
• Variations (Stravinsky)
  • Variations (ballet)
  • Variations for Orchestra (Balanchine)

• All pages with titles containing variations theme
• List of variations on a theme by another composer
• Variation (music)
• Variation (disambiguation)
• Variations for Orchestra (disambiguation)
• Symphonic Variations (disambiguation)