Dmitry Knyazhevich (Russian: Дмитрий Максимович Княжевич; 21 June 1874 – 1918) was an Imperial Russian soldier and Olympic fencer. He competed in the individual foil and team épée events at the 1912 Summer Olympics. He was a member of the Knyazhevich family, which was a Russian family of Serbian origin that included his grandfather Dmitry, a notable writer, and great-uncle Alexander, who served as Minister of Finance under Alexander II.