Following are the results of the 1951 Class B football championship. FC MVO Moscow winning the championship.
Teams
Relegated teams
Six teams were relegated from the 1950 Soviet Class A (top tier). Dinamo Minsk (return after a six-year absence) Lokomotiv Moscow (return after a three-year absence) Neftianik Baku (return after a two-year absence) Torpedo Stalingrad (debut) Lokomotiv Kharkov (return after a two-year absence) Dinamo Yerevan
Promoted teams
No teams received direct promotion. Only three teams were promoted from republican competitions through last year post-season playoffs. One more was replaced, Lokomotiv for Krasnaya Zvezda.
Final standings
Relegation play-off
To the play-off qualified the champion of the 1951 Football Championship of the Ukrainian SSR and the worst Ukrainian team of masters of the 1951 Soviet Class B.