| UFO | OK | Tulsa | | |
| Ultra-sex Alliance (women) | MI | Ann Arbor | 1993 | |
| Un Cut | TX | Dallas | | |
| Uncircumcised Society of America (USA) | CA | San Francisco | | |
![](https://www.hardycol.com/wp-content/uploads/2022/05/Uncommon-Bonds.jpg") | Uncommon Bonds | New Zealand | Christ Church | | |
![](https://www.hardycol.com/wp-content/uploads/2022/05/Uncommon-Ground.jpg") | Uncommon Ground | CO | Denver | 1996 | |
| Uncut Club | CA | Los Angeles | | |
| Unicorn | WI | Madison | 1991 | |
![](https://www.hardycol.com/wp-content/uploads/2022/05/Unicorns-Madison.jpg") | Unicorn (Later Atlantis MC) | GA | Atlanta | 1971 | |
![](https://www.hardycol.com/wp-content/uploads/2022/05/Unicorn-MC-Cleveland.jpg") | Unicorn MC | OH | Cleveland | 1971 | |
![](https://www.hardycol.com/wp-content/uploads/2022/05/United-Leatherfolk-of-CT.jpg") | United Leatherfolk of Connecticut | Connecticut | | 1990 | |
![](https://www.hardycol.com/wp-content/uploads/2022/05/Universal-Brotherhood-Leather-Lords.jpg") | Universal Brotherhood Leather Lords | AZ | Phoenix | | |
![](https://www.hardycol.com/wp-content/uploads/2022/05/Upstate-boys.jpg") | Upstate boys of Leather | New York | | | |
![](https://www.hardycol.com/wp-content/uploads/2022/05/Urania.jpg") | Urania (women) | MA | Somerville | | |
| Ursine Groups, The (TUG) | IO | Ankeny | | |
| Ursus | OH | dayton | 1992 | |
![](https://www.hardycol.com/wp-content/uploads/2022/05/Utah-Bear-Alliance.jpg") | Utah Bear Alliance | UT | Salt Lake City | | |
![](https://www.hardycol.com/wp-content/uploads/2022/05/Utah-Power-Exch.jpg") | Utah Power Exchange | Utah | | | |
![](https://www.hardycol.com/wp-content/uploads/2022/05/Utica-Kink-Society.jpg") | Utica Kink Society | | | 2000 | |
![](https://www.hardycol.com/wp-content/uploads/2022/05/Utah-Power-PLay.jpg") | Utah Power Play | UT | Salt Lake City | | |
![](https://www.hardycol.com/wp-content/uploads/2022/05/Utica-Tris3.jpg") | Utica Tris MC | NY | New York | 1986 | |
![](https://www.hardycol.com/wp-content/uploads/2022/05/UYA-MC1.jpg") | UYA MC | New York | | 1969 | |