Alexander Sergeevich Davydov (26 December 1912 – 19 February 1993) was a Soviet and Ukrainian physicist.

a major-general of the Russian Empire, who served in the era of the Napoleonic Wars.

Karl Yulievich Davydov was a Russian cellist, described by Pyotr Ilyich Tchaikovsky as the "czar of cellists".

Vladimir Lvovich Davydov was the second son of Lev and Alexandra Davydov, and nephew of the composer Pyotr Ilyich Tchaikovsky, who called him "Bob".Tchaikovsky Research article on Davydov, accessed January 23, 2010

Denis Vasilyevich Davydov was a Russian soldier-poet of the Napoleonic Wars who invented the genre of hussar poetry, characterised by hedonism and bravado.