The ambassador extraordinary and plenipotentiary of Russia to Nicaragua is the official representative of the president and the government of the Russian Federation to the president and the government of Nicaragua.
The ambassador and his staff work at large in the Embassy of Russia in Managua. The post of Russian ambassador to Nicaragua is currently held by , incumbent since 15 August 2024. The ambassador to Nicaragua has dual accreditation as the non-resident ambassador to El Salvador and Honduras.
Diplomatic relations between the Soviet Union and Nicaragua were first established in 1944, though this did not lead to the exchange of representatives. It was not until 18 October 1979, that an agreement to exchange ambassadors was reached, and the first ambassador, , was appointed on 1 March 1980. With the dissolution of the Soviet Union, Nicaragua recognized the Russian Federation as its successor state. The incumbent Soviet ambassador, , continued as the Russian ambassador until 1995. Relations with Honduras were established in 1990, and with El Salvador in 1992, with the ambassador to Nicaragua dually accredited to both, an arrangement that has since continued.