The 2nd Emperor Alexander III's Sofia Infantry Regiment (Russian: 2-й пехотный Софийский Императора Александра III полк) was an infantry regiment of the Russian Imperial Army.

[1] The Sofia Regiment fought in the defense of Smolensk in 1812 during the French invasion of Russia, fighting off a French attack as part of the 7th Infantry Division against Mstislav and Roslavl districts of the city.

[3] A memorial for the Sofia Regiment was built in its city of origin, Smolensk, on 5 August 1912 at the Lopatinsky Park.

It was made on the 100th anniversary in the victory during the Patriotic War of 1812 against France, commemorating the regiment's participation in the conflict.

On the side it has a cross and the regimental insignia, while on the top there is an imperial eagle.