Dmitri Tomashevich (Дмитрий Томашевич; born 6 March 1974) is a former tennis player from Uzbekistan, who represented his native country at the 1996 Summer Olympics in Atlanta, Georgia, where he was defeated in the first round by Slovakia's Karol Kučera. The right-hander reached his highest singles ATP-ranking on June 5, 1996, when he became the number 261 of the world. He has been the Uzbekistan Fed Cup coach for Uzbekistan since 2013. He led the Fed Cup team with relatively decent records including 2–0 against Hong Kong Fed Cup 1–0 against Japan Fed Cup, 2–1 against Chinese Taipei, 2–2 against Korea Fed Cup, and 1–1 against Thailand Fed Cup.

• Dmitri Tomashevich at the Association of Tennis Professionals
• Dmitri Tomashevich at the International Tennis Federation