- Country: United States
- Sport: Water Polo
- Height: 6'7" / 2.01m
- Weight: 245 lbs / 111.1 kg
- Born: 8/28/1975
- Hometown: Long Beach, CA, USA
- Career Highlights: Not to be confused by the American sprinter of the same name, water polo's Ryan Bailey will yet again provide Team USA with a linebacker's type of imposing physical presence in this, his fourth Olympics. He had seven goals and one assist in the Beijing Games, exceeding by two his combined total from his previous two Olympics. Bailey will turn 37 in August but has shown few signs of slowing down, totaling six goals at the 2012 FINA World League Super Final, and tying for the team lead with 11 goals at the 2011 world championships, where the Americans finished sixth. A former four-time All-American at UC Irvine, Bailey has played professionaly in Serbia, Greece, Croatia and Russia.
- Previous Olympics: 2008,2004,2000