Dmitri Semin is a Russian center on Avangard Omsk.
Semin was drafted by the St. Louis Blues in 2001, after scoring 5 points in six games at the U18 World Juniors. He stuck with Spartak Moscow, however, and played the next five years with the club, posting a career high 26 points in 2005-06. He joined Lokomotiv Yaroslavl in 2006, and set a career high with 13 goals in his first year with the team. He set a career high with 46 penalty minutes in 2007-08, and joined HK Atlant for the 2009-10 season, where he matched both his career highs in points and penalty minutes. He signed with Avangard Omsk in 2010.
Semin won a gold medal with Russia at the 2001 U18 World Juniors.