2008 Swim Squad from United States (also known as USA) 
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Men[]
- Mark Warkentin, Santa Barbara Swim Team
- Michael Phelps, Club Wolverine
- Larsen Jensen, Trojan Swim Club
- Brendan Hansen, Longhorn Aquatic Club
- Peter Vanderkaay, Club Wolverine
- Ricky Berens, Longhorn Aquatics
- Klete Keller, Trojan Swim Club
- Aaron Peirsol, Longhorn Aquatics
- Scott Spann, Longhorn Aquatics
- Garrett Weber-Gale, Longhorn Aquatics
- Jason Lezak, Rose Bowl Aquatics
- Cullen Jones, Swim Mac
- Nathan Adrian, unattached
- Ryan Lochte, Daytona Beach Swimming
- Mark Gangloff, Swim Mac
- Matt Grevers, Tucson Ford
- Gil Stovall, Athens Bulldog Swim Club
- Eric Shanteau, Longhorn Aquatics
- Ian Crocker, Longhorn Aquatics
- Ben Wildman-Tobriner, Stanford Swimming
- Erik Vendt, Club Wolverine
- David Walters, Longhorn Aquatics
Women[]
- Chloe Sutton, Mission Viejo Nadadores
- Katie Hoff, North Baltimore Aquatic Club
- Christine Magnuson, University of Tennessee
- Natalie Coughlin, California Aquatics
- Jessica Hardy, Trojan Swim Club
- Allison Schmitt, Club Wolverine
- Julia Smit, Stanford Swimming
- Caroline Burckle, Lakeside Swim Team
- Elaine Breeden, Stanford Swimming
- Kathleen Hersey, Swim Atlanta
- Elizabeth Beisel, Bluefish Swim Club
- Margaret Hoelzer, King Aquatic Club
- Megan Jendrick, King Aquatic Club
- Kate Ziegler, The Fish
- Rebecca Soni, Trojan Swim Club
- Amanda Beard, Team Bruin
- Dara Torres, Coral Springs Swim Club
- Lacey Nymeyer, Tucson Ford
- Kim Vandenberg, Team Bruin
- Christine Marshall, Aggie Swim Club
- Emily Silver, California Aquatics
- Kara Lynn Joyce
