Stepan Ivanovich Davydov was a Russian composer and singer.
Davydov wrote and published a complete four-part liturgy and 13 Spiritual Choral Concerti, three of which were written for a double chorus. In the field of secular music Davydov participated in the composing of opera tetralogy Mermaid (together with Ferdinand Kauer and Catterino Cavos, 1803–1807, providing the additional music for the 1st, 3rd and 4th parts). He also wrote 10 ballets, various divertissements, a series of choruses to the tragedy Amboar and Aurungzeb (1814), a concert overture and numerous other works.
He held the post of the Kapellmeister of the Imperial Theatres in St Petersburg (1806–1810). From 1810 he taught at the Theatrical School in Moscow.