Mark Daniel Stone (born May 13, 1992) is a Canadian professional ice hockey player and alternate captain for the Vegas Golden Knights of the National Hockey League (NHL).
A right winger, he was selected by the Ottawa Senators in the sixth round, 178th overall, of the 2010 NHL Entry Draft.
He tied Johnny Gaudreau to lead all NHL rookies in scoring during the 2014–15 season with 64 points and received a nomination for the Calder Memorial Trophy as the NHL's top rookie.
During the 2018–19 NHL season, he was traded to Vegas, and subsequently signed a long-term contract with the team.