Dmitry Aleksandrovich Muserskiy is a Russian volleyball player of Ukrainian descent, member of the Russian national team and Japanese club, Suntory Sunbirds. 2012 Olympic Champion, 2011 World Cup winner, 2013 European Champion, and multiple World League medallist. Muserskiy is among the world's tallest athletes.

The men's tournament in volleyball at the 2012 Summer Olympics was the 13th edition of the event at the Summer Olympics, organised by the world's governing body, the FIVB, in conjunction with the IOC. It was held in London, United Kingdom from 29 July to 12 August 2012.