Alexander Valeryevich Semin (Russian: Александр Валерьевич Сёмин, Russian pronunciation: ; born 3 March 1984) is a Russian professional ice hockey winger who is currently signed to HC Vityaz of the Kontinental Hockey League (KHL), the highest league in Russia. He has previously played in the National Hockey League (NHL) for the Washington Capitals, Carolina Hurricanes and Montreal Canadiens.
Semin was trained in the Traktor Chelyabinsk hockey school and made his professional debut in Russia's second-tier Russian Major League in 2001–02. After scoring 13 goals and 8 assists with Chelyabinsk that season, the Washington Capitals selected Semin in the first round, 13th overall, at the 2002 NHL Entry Draft (Washington's second overall pick, having drafted Steve Eminger 12th overall). Remaining in Russia for the subsequent season, he joined Lada Togliatti of the first-tier Russian Superleague (RSL) in 2002–03 and scored 10 goals and 7 assists in 47 games.