Ruščina je slovanski jezik, ki ga govorijo v Rusiji, Belorusiji, Ukrajini, Kazahstanu in Kirgizistanu in je razširjen a ne uradno priznan v Latviji, Estoniji in mnogih drugih državah nekdanje Sovjetske zveze.
The Russian language is a Slavic language spoken natively in Russia, Belarus, Ukraine, Kazakhstan and Kyrgyzstan, and is widely used, although without official imprimatur, in Latvia, Estonia and many other countries that form the constituent republics of the former Soviet Union.