Scott Seiver (born April 14, 1985, in Columbus, Ohio) is a professional poker player from Cold Spring Harbor, New York, now residing in Las Vegas, Nevada who won the 2008 World Series of Poker $5,000 No Limit Hold'em event[1] and is the winner of the $25,100 buy-in High Roller event at the 2010 L.A.

[3] Seiver's other poker accomplishments include springing to fame by appearing on Pokerstars' the Big Game, showcasing his unique mouth-covering method of hiding mouth-breathing tells, as well as winning the $25,100 buy-in High Roller event at the 2010 L.A.

Poker Classic earning $425,330 in a final table that included runner-up Daniel Alaei, Jason Mercier (3rd), Lee Markholt (4th), Tommy Vedes (5th) and Will Molson (6th).

[9] On January 8, 2013, Seiver won the 2013 PokerStars Caribbean Adventure Super High Roller event for $2,003,480.

[14] On May 13, 2022, Seiver was announced as Phil Hellmuth's Round 4 opponent in High Stakes Duel III.