FC Dunav Ruse 2010 or simply Dunav is a Bulgarian association football club based in Ruse, which currently competes in the First Professional League, the top flight of the Bulgarian football league system.
Part of a larger sports branch, Dunav were established on February 16, 1949 as a merger of two local football clubs in the city, Dinamo and Rusenets. Nicknamed The Dragons, Dunav's home colours are sky blue and white. Named after the Danube River, on the banks of which the city of Ruse is situated, the club plays its home matches at the local Gradski Stadium, which has a seating capacity of 13,000 spectators.
Among the club's most notable achievements are a final in the Bulgarian championship in 1937, a First League fourth place in 1975 and 2017, and four domestic cup finals in 1938, 1939, 1941 and 1962 respectively.