| 释义 |
Group 1 may refer to: - Alkali metal, a chemical element classification for Alkali metal
- Group 1 (racing), a historic (until 1981) classification for Touring car racing, applied to standard touring cars. Comparable to modern FIA Group N
- Group One Thoroughbred horse races, the leading events in the sport
- Group 1 Automotive, a publicly traded car dealership group in the United States
- Group 1 Rugby League, a Rugby League Competition in New South Wales, Australia
- Fax Group 1 & Group 2 are obsolete analog standards for sending faxes
- Group 1 Software, a former mail, messaging, and document management provider company, acquired by Pitney Bowes in 2004
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