Pyotr Ilyich Tchaikovsky (1840–1893) was a Russian composer.

Tchaikovsky or variant spellings may also refer to:

• Tchaikovsky (surname), a Slavic surname (and list of people with the name)
• Chaikovskij (crater), an impact crater on Mercury
• Tchaikovsky (film), a 1969 Russian film
• "Tchaikovsky" (The Americans), a 2018 episode of The Americans
• "Tschaikowsky (and Other Russians)", an American patter song by Kurt Weill and Ira Gershwin and originally performed by Danny Kaye
• Chaykovsky, Perm Krai, a town in Russia
  • Snezhinka (ski jumping venue) near Chaykovsky, Perm Krai
• 2266 Tchaikovsky, an outer-belt asteroid
• Tchaikovsky Conservatory, a music school in Moscow, Russia
• Tchaikovsky Symphony Orchestra

See also[edit]

• Czajkowski
• Chaykovsky (inhabited locality), a list of inhabited localities in Russia
• Circle of Tchaikovsky, Russian revolutionary organization