Sean O'Neill is an American table tennis player and coach. He began playing table tennis in Virginia at the age of 8 with this father, , who was a nationally ranked junior player from Toledo, Ohio. O'Neill went on to win every US National Age Championship title, including the Under 11, 13, 15, 17, 21, and Over 30 events. In addition to the age events, O'Neill won the US National Men's Singles, Men's Doubles, and Mixed Doubles Championships. O'Neill was a US National Team member from 1983 to 1995 and participated in 5 World Championships, 4 Pan Am Games, 3 World Cups - Singles, Doubles, and Team - and 2 Olympic Games, in 1988 and 1992. O'Neill was the 1990 North American Men's Singles Champion. O'Neill was named USATT Male Athlete of the Year on five occasions and served on the United State Olympic Committee's Athletes' Advisory Council as a player representative for the sport of table tennis. O'Neill dominated the table tennis event at the US Olympic Sports Festival. Participating in each event from 1981 to 1995, O'Neill won an unmatched 18 Gold, 5 Silver, and 4 Bronze medals. O'Neill lit the torch along with Sharon Cain of Team Handball in the Opening Ceremonies in San Antonio in 1993. O'Neill played for the Angby Sport Club in Stockholm, Sweden during his early junior career in addition to training in China on numerous occasions. Upon retiring from full-time play, O'Neill began a coaching career that has led to work with the top US Paralympic Table Tennis Players. The head coach for the 2004, 2008, and , he has also led the team at the 2002 World Championships, 2006 World Championships and the Para Pan Am Games/Championships in 2003, 2005, and 2007. O'Neill was named in 2005 as the head coach for the University of Virginia team. O'Neill was named USA Table TennisNational Coach of the Year in 2006. O'Neill was presented with the 2007 US Olympic Committee's James "Doc" Counsilman Science Award for his work with telecoaching. O'Neill was named in 2010. He coached the Portland State University team in 2010-2011. In 2016, O'Neill was named as a member of the . O'Neill contributed to NBC's Olympic Coverage in Athens in 2004, and was the color commentator for table tennis in Beijing in 2008, London in 2012 and Rio in 2016. He has also covered the 2009 and 2010 World Championships for NBC Universal Sports plus the 2015 and 2016 US Nationals for One World Sports. O'Neill was inducted in the George C. Marshall Hall of Fame in 1998 and the USATT Hall of Fame in 2007. He was Director of Communications for USA Table Tennis from 2014-2017 and currently works for as a coach and Social Media Manager.
