Stefan Mokrzecki of Ostoja coat of arms (1862–1932) was a general in the Russian Army and the Polish Army. During Polish-Soviet War commanded 8 DP and other units. Later member of armed forces of Republic of Central Lithuania. Retired in 1925. He was brother of Adam Mokrzecki that also was a general in Russian army to end as general of Polish army. He was born in Dzitryki, now in Belarus. Another brother was the entomologist Zygmunt Mokrzecki.