| Name | USBC # | Avg | Gms | League | Center | Gender |
|---|---|---|---|---|---|---|
| O'Neill, Kelly J | 7331-5823 | 64 | 61 | Saturday Youth Legends | Liberty Center Massaponax | Boy |
| O'Neill, Samuel | 7331-4955 | 109 | 78 | Saturday Youth Legends | Liberty Center Massaponax | Boy |
| O'Neill, Will | 7331-4956 | 85 | 69 | Saturday Youth Legends | Liberty Center Massaponax | Boy |
| O'Toole, Barbara H | 5011-38490 | 134 | 81 | Thursday Thunder | Liberty Center Stafford | Female |
| O'Toole, Timothy D | 348-48512 | 187 | 88 | Thursday Thunder | Liberty Center Stafford | Male |
| Oakford, Cory | 348-56041 | 182 | 99 | Thursday Knighters | AMF Fredericksburg | Male |
| Oliver, Gretchen G | 7331-5711 | 82 | 27 | Friday Nite Late Mixed | AMF Fredericksburg | Female |
| Oliver, John C | 348-4784 | 217 | 90 | Friday Nite Late Mixed | AMF Fredericksburg | Male |
| Oliver, John C | 348-4784 | 216 | 93 | Rappahannock Mens | AMF Fredericksburg | Male |
| Oliver, Pete J | 7331-5974 | 119 | 62 | Fred City Strikers | AMF Fredericksburg | Boy |
| Ondusko, George H | 348-18343 | 171 | 90 | Friday Nite Early Mixed | AMF Fredericksburg | Male |
| Ondusko, Sara V | 5011-9616 | 138 | 84 | Friday Nite Early Mixed | AMF Fredericksburg | Female |
| Orallo, Benny A | 7331-5857 | 190 | 24 | Thursday Night Mixed | Cannon Ball Lanes | Male |
| Orndorff, Patricia M | 5011-1647 | 192 | 78 | Tues Night Mixed | Liberty Center Stafford | Female |
| Orndorff, Patricia M | 5011-1647 | 183 | 69 | Sunday Nite Mixed | Liberty Center Massaponax | Female |
| Osborne, Agnes G | 5011-10797 | 131 | 81 | Monday Night Mixed | Cannon Ball Lanes | Female |
| Osburg, Walter S | 348-19038 | 141 | 97 | Thursday Knighters | AMF Fredericksburg | Male |
| Ostlund, Ozzie | 348-52365 | 122 | 69 | LOW Fun Bowling League | AMF Fredericksburg | Male |
| Ostuna, Erol T | 7331-6045 | 128 | 48 | EGG League | Liberty Center Massaponax | Male |
| Overstreet, Robert A | 7331-5708 | 127 | 93 | Friday Nite Late Mixed | AMF Fredericksburg | Male |
| Owen, Kelly A | 7331-4674 | 101 | 73 | For The Fun Of It | AMF Fredericksburg | Male |
| Owens, Donald F | 348-47259 | 160 | 81 | Eagles Mixed | AMF Fredericksburg | Male |
| Owens, Frank A | 7331-5083 | 144 | 37 | Saturday Night Mixers | AMF Fredericksburg | Male |
| Owens, Kenneth J | 348-663 | 153 | 42 | Friday Night Mixers | Liberty Center Stafford | Male |
| Owens, Lisa W | 5011-2797 | 96 | 36 | Saturday Night Mixers | AMF Fredericksburg | Female |
| Oztuna, Kimberly M | 7331-6035 | 109 | 48 | EGG League | Liberty Center Massaponax | Female |