This is a compilation of 24 United States Guinness records in 1998. 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 |
|---|---|---|---|
| December 1998 | Largest seizure of narcotics assets | 280000000 US dollar(s) | US government |
| 28 November 1998 | Fastest time to complete the Ultraman World Championships (male) | 21/41/22 hour(s):minute(s):second(s) | Holger Spiegel |
| 11 November 1998 | Smallest piece of ice | Roger Miller, Klaus Nauta | |
| 24 October 1998 | Most powerful ion engine used in space | first | Deep Space 1 (DS1) |
| 16 October 1998 | Most consecutive foot juggling flips of a table | 17 total number | Chester Cable |
| 26 September 1998 | Fastest speed achieved on a gravity bike | 103.03 kilometre(s) per hour | Dwight Garland |
| 21 September 1998 | Fastest speed on land for a hovercraft | 56.25 mile(s) per hour | John Alford |
| 01 September 1998 | First artist-created internet service provider | first | David Bowie |
| 11 July 1998 | Fastest jet-powered fire truck | 655 kilometre(s) per hour | Shannen Seydel |
| 23 June 1998 | First brain cell transplant | 1988/06/23 first | University of Pittsburgh Medical Center |
| 17 June 1998 | Most beer kegs balanced on the head | 11 total number | John Evans |
| 03 June 1998 | Highest triglyceride level | Terry Culton | |
| 23 April 1998 | Greatest distance walked with a milk bottle balanced on the head | Ashrita Furman | |
| 27 February 1998 | Most expensive wedding cake slice | 29900 US dollar(s) | Duke & Duchess of Windsor's 1937 wedding cake |
| 10 February 1998 | Oldest Oscar nominee for Best Supporting Actress | 87/221 year(s):day(s) | Gloria Stuart |
| 02 January 1998 | Most three-point shots made in one basketball game by a team | Garrett Falcons Varsity Boys Basketball Team | |
| 1998 | Largest revolving globe | David Delorme | |
| 1998 | Highest field goal percentage, WNBA | 61.9 percentage | Haixia Zheng |
| 1990-1993, 1997, 1998 | Most wins of Entertainer of the Year at the Academy of Country Music Awards | 6 total number | Garth Brooks |
| 1998 | First film with digital water | first | Antz - Dreamworks |
| 1998 | Most surfboards stacked on a car | Unknown | |
| 1998 | Highest annual earnings for a television writer | 242000000 US dollar(s) | Larry David |
| 1998 | Most steals per game average (WNBA) | Kim Perrot | |
| 1998 | Oldest MOBO winner | B.B. King |