Orchestral Suite No. 1 in D minor is an orchestral suite, Op. 43, written by Pyotr Ilyich Tchaikovsky in 1878 and 1879. It was premiered on December 20, 1879 at a Russian Musical Society concert in Moscow, conducted by Nikolai Rubinstein. The piece is dedicated to Tchaikovsky's patroness, Nadezhda von Meck.