This is a compilation of 110 United States Guinness records in 2008. You may want to take a look at our complete list of United States Guinness Records broken down by year.
| When | Record name | What | Who |
|---|---|---|---|
| 31 December 2008 | Largest "YMCA"dance | Sun Bowl Association | |
| 29 December 2008 | First ice-hockey team to win 3,000 regular-season games | Montreal Canadiens | |
| 23 December 2008 | Largest collection of calendars | 16552 total number | Yakov Kofman |
| 20 December 2008 | Longest Samson's chair (static wall sit) | 11/51/14 hour(s):minute(s):second(s) | Thienna Ho |
| 20 December 2008 | Most slam dunk bounce passes in 30 seconds | 36 total number | Milwaukee Bucks |
| 20 December 2008 | Most chin ups in one minute (male) | 57 total number | Guy Schott |
| 10 December 2008 | Fastest time to peel and eat a kiwi fruit | 5.35 second(s) | Ashrita Furman |
| 10 December 2008 | Highest score on Intelligent Qube (Sony, 1997) | Phil Tesseneer | |
| 08 December 2008 | Largest ball of human hair | 75.7/4/14 kilogram(s) | Henry Coffer |
| 01 December 2008 | Most theatre performances - same role (female) | Catherine Russell | |
| 30 November 2008 | Most consecutive kickflips on a skateboard | 1546 total number | Zach Kral |
| 24 November 2008 | Farthest distance flown with a rocket belt | Eric Scott | |
| 21 November 2008 | Longest wheelchair confinement | William Borrelli | |
| 21 November 2008 | Longest career as a newspaper boy/girl | Darlyne Markus | |
| 18 November 2008 | Longest bicycle wall ride | 1.03 metre(s) | Jim DeChamp |
| 18 November 2008 | Highest bicycle wall ride | 62 metre(s) | Jim DeChamp |
| 18 November 2008 | Most BMX bar spins in one minute | 62 total number | Jim DeChamp |
| 18 November 2008 | Fastest ATV side-wheelie | 75.6 kilometre(s) per hour | Travis Pastrana |
| 18 November 2008 | Fastest Towed Big Wheel | 94.9 kilometre(s) per hour | Jim DeChamp |
| 18 November 2008 | Fastest time to do 10 donuts (spins) in an ATV | Travis Pastrana | |
| 18 November 2008 | Fastest towed asphalt skiing | 51.4 kilometre(s) per hour | Eric Roner |
| 17 November 2008 | Longest motorcycle backflip (female) | Jolene Van Vugt | |
| 17 November 2008 | Longest 180 flip on a bicycle | Jim DeChamp | |
| 17 November 2008 | Most motorcycle backflips in 30 seconds | 8 total number | Travis Pastrana |
| 17 November 2008 | Longest motorcycle front flip | Jim DeChamp | |
| 17 November 2008 | Fastest towed trash can | 83.6 kilometre(s) per hour | Andy Bell |
| 17 November 2008 | Lowest motorcycle backflip | 91 centimetre(s) | Travis Pastrana |
| 17 November 2008 | Longest tandem motorcycle backflip | Travis Pastrana, Jolene Van Vugt | |
| 17 November 2008 | Longest motorcycle backflip (engine off) | Travis Pastrana | |
| 17 November 2008 | Longest tandem ATV ramp jump | Travis Pastrana | |
| 14 November 2008 | First female four-star general | first | Ann E Dunwoody |
| 14 November 2008 | Tallest full Mohican/Mohawk | 68.58 centimetre(s) | Eric Hahn |
| 13 November 2008 | Largest rubber band ball | 4097 kilogram(s) | Joel Waul |
| 10 November 2008 | Fastest Time to throw 10 knives alternatively to both sides of a human target | David Adamovich | |
| 29 October 2008 | Fastest time to carve one tonne of pumpkins | 3/33/49 hour(s):minute(s):second(s) | Stephen Clarke |
| 28 October 2008 | Heaviest vehicle pulled by a swallowed sword | 1696.44 kilogram(s) | Ryan Stock |
| 23 October 2008 | Tallest zinnia | Everett Wallace Jr. | |
| 19 October 2008 | Largest stand up in one week | United Nations Millennium Campaign | |
| 10 October 2008 | First woman to fly an airplane with her feet | first | Jessica Cox |
| October 2008 | Strongest robot arm | M-2000iA/1,200 | |
| 20 September 2008 | Most consecutive skateboard frontside ollies (halfpipe) | 348 total number | Keith Baldassare |
| 20 September 2008 | Largest collection of back scratchers | 675 total number | Manfred Rothstein |
| 05 September 2008 | Fastest conventional motorcycle speed (female) | 374.208 kilometre(s) per hour | Leslie Porterfield |
| 03 September 2008 | Fastest 100 m with a can balanced on head – Dog | Alex Rothaker | |
| 03 September 2008 | Longest mountainboard race | 5th Annual Nate Harrison Grade Race | |
| 01 September 2008 | Largest working rifle | James A. DeCaine | |
| 29 August 2008 | Fastest stilt walker - mile | 12/23 minute(s):second(s) | Ashrita Furman |
| 23 August 2008 | Largest Mexican wave | Kelcy Hale | |
| 22 August 2008 | Most haircuts in an hour - male | 34 total number | Ivan Zoot |
| 21 August 2008 | Most people riding a skateboard | 22 people | Weezer |
| 04 August 2008 | Youngest professional guitarist | Yuto Miyazawa | |
| 02 August 2008 | Fastest mile of coins | 2/16/9 hour(s):minute(s):second(s) | Burnt Hickory Youth Ministry |
| 01 August 2008 | Greatest vocal range by a male | 0.7973 - 807.3 hertz(es) | Tim Storms |
| 28 July 2008 | Largest parachuting canopy formation | 100 people | N/A |
| 17 July 2008 | Largest silver service dinner | 16206 people | Walter E. Washington Convention Center |
| 16 July 2008 | Most heart bypass operations | 3 total number | Shane Taylor |
| 11 July 2008 | Largest skinny dipping (swimming naked) - multiple venues | AANR | |
| 29 June 2008 | First married man to give birth | first | Thomas Beatie |
| 20 June 2008 | Largest wheelchair tennis tournament | 12 people | James Bernet |
| 18 June 2008 | Most downloads of a software application in 24 hrs | Unknown | |
| 17 June 2008 | Most NBA Championship titles | 17 total number | Boston Celtics |
| 15 June 2008 | Fastest speed on a quad bike (ATV) | 315.74 kilometre(s) per hour | Terry Wilmeth |
| 06 June 2008 | Largest teddy bear (stitched) | 16.86 metre(s) | Dana Warren |
| 31 May 2008 | Most football touches in two minutes (male) | Bryce Arenson | |
| 29 May 2008 | Most miniature golf holes played in 24 hours | David Pfefferle | |
| 18 May 2008 | Most points scored in a debut game, individual, WNBA | Candace Parker | |
| 18 May 2008 | Most skips on a pogo stick in one minute (male) | Ashrita Furman | |
| 14 May 2008 | Fastest speed for a race horse | 70.76 kilometre(s) per hour | Winning Brew |
| 01 May 2008 | First singer to replace themselves at No.1 on US R&B/Hip Hop Songs chart | first | Alicia Keys |
| 29 April 2008 | Oldest first-time grandmother | 95/81 year(s):day(s) | Marianne Wallenberg |
| 28 April 2008 | Tallest chocolate fountain | 8/2 metre(s) | Bellagio Patisserie |
| 28 April 2008 | Fastest completion of Rise of Nations (Microsoft, 2003) | 41/40 minute(s):second(s) | Alex Nichols |
| 27 April 2008 | First female to win a Funny Car NHRA drag racing race | first | Ashley Force |
| 27 April 2008 | Largest collection of confetti | 1447 total number | Casey Larrain |
| 12 April 2008 | Most US No.1 singles by a solo artist | 18 total number | Mariah Carey |
| 08 April 2008 | Most skateboard varial heelflips in one minute | Robert Prado | |
| 08 April 2008 | Largest collection of elephant-related items | 5779 total number | Jan Mallernee-Briley |
| 29 March 2008 | Largest attendance at a baseball match | 115300 people | Los Angeles Dodgers |
| 23 March 2008 | Highest blood sugar level | Michael Buonocore | |
| 19 March 2008 | First supersonic flight with synthetic fuel blend | first | Unknown |
| 16 March 2008 | Youngest person to ski on all seven continents | Victoria Rae White | |
| 13 March 2008 | Largest collection of miniature chairs | 3000 total number | Barbara Hartsfield |
| March 2008 | Largest binocular telescope | Large Binocular Telescope, Arizona | |
| 28 February 2008 | Fastest time to sail from New York to San Francisco | Gitana 13 | |
| 26 February 2008 | Tallest snowman | 37.21 metre(s) | Robin Zinchuk |
| 25 February 2008 | Longest document scanned | Unknown | |
| 19 February 2008 | Youngest professor | Alia Sabur | |
| 14 February 2008 | Most powerful pulsed spallation neutron source | 300 kilowatt hour(s) | Spallation Neutron Source |
| 14 February 2008 | Most wheelchair basketball free throws in one minute | 25 total number | Trooper Johnson, Jeff Griffin |
| 01 February 2008 | Largest dish ever washed | Manning Selvage & Lee PR | |
| 22 January 2008 | Oldest Oscar nominee for Best Supporting Actor | Hal Holbrook | |
| 19 January 2008 | Greatest simulated distance on a static cycle in 24 hours - male team | 1335.5 kilometre(s) | New York Sports Clubs/Cadence Cycling Team |
| 05 January 2008 | First singer to have five tracks on US Top 30 Adult Contemporary chart | first | Josh Groban |
| January 2008 | First speedcabling competition | first | Unknown |
| 2008 | Longest snowmobile journey | 19574.45 kilometre(s) | Robert G. Davis |
| 2008 | Most Tony Awards won by a composer | Stephen Sondheim | |
| 2008 | First synthetic genome to contain secret coded messages | first | Genome produced by the J Craig Venter Institute |
| 2008 | Largest collection of PlayStation items | 1400 total number | Jason Dvorak |
| 2008 | Longest synthetic DNA molecule | first | Mycoplasma genitalium |
| 2008 | Smallest all-terrain armoured vehicle | PAV1 Badger | |
| 2008 | Highest intensity focused laser | University of Michigan | |
| 2008 | Most wins of the Mashed Potato Wrestling championships | 4 total number | Steve O'Gratin |
| 2008 | First twins to play in the NBA | first | Brook and Robin Lopez |
| 2008 | University Boat Race - Oldest participant | Andrew Probert, Mike Wherley | |
| 2008 | First landed wheelchair backflip | first | Aaron Fotheringham |
| 2008 | Most losses in a season, WNBA team | Atlanta Dream | |
| 2008 | Longest career as a catwalk model | Carmen Dell'Orefice | |
| 2002-2008 | Most consecutive wins of Vocal Group of the Year at the Academy of Country Music Awards | Rascal Flatts | |
| 2008 | Most UFC heavyweight championships | 7 total number | Randy Couture |
| 2008 | Oldest American football player | 67 year(s):day(s) | Paul L. Morton |