| U Boys Inc Llc | 144144 | U-Boys | 77 | 1104089 | B2 |
| Unangst, Paul S. | 1991 | Destiny | 36 | 1092974 | CL |
| Ung, Kenneth E. | 155597 | RR | |||
| Upson, Thomas H. | 88837 | SS | |||
| Urbanus, Brenda J. | 16846 | No Name (Brenda Urbanus) | CL | ||
| Urbanus, Paul W. | 698 | Brenelea Iii | 42 | MS9797AD | CL |
| Urbanus Jr., John J. | 155407 | S Crew | 30 | MS3126AT | B1 |
| Urbanus, Edward P. | 1997 | Brenelea | 40 | MS9504A | CL |
| Urquhart, Alexander G. | 126159 | Done Deal | 25 | MS0625DD | B1 |
| Urquhart, Kerri D. | 110209 | No Vessel (Shore Based) - - - - | 0 | RR |