Nikolay Yakovlevich Smaga (, ; 22 August 1938 – 29 March 1981) was a Soviet athlete from Ukraine who competed mainly in the 20 kilometer walk.
Nikolay Yakovlevich Smaga (, ; born on 22 August 1938 and deceased on 29 March 1981) was a Soviet competitor from Ukraine who mainly engaged in the 20-kilometer walk event.