The Sergey Dyagilev (Russian: Сергей Дягилев) is a Dmitriy Furmanov-class (project 302, BiFa129M) Soviet/Russian river cruise ship, cruising in the Volga – Neva basin.

The ship was built by VEB Elbewerften Boizenburg/Roßlau at their shipyard in Boizenburg, East Germany, and entered service in 1983.

The ship is named after Russian art critic, patron, ballet impresario and founder of the Ballets Russes Sergei Diaghilev.

Captain of the Sergey Dyagilev (2011) is Jury Makaryev.

[6] The ship has two restaurants,[7] two bars, two souvenir shops,[8] conference hall, sauna and library.