| Name | Court | Circuit | County | Rate this Judge | Rating | # of Ratings |
| Hon. Heather O'Brien |
County Court
| 9th Circuit | Osceola |  | 7.7 | 7 |
| Hon. Julie O'Kane |
Circuit Court
| 9th Circuit | Orange | | 8.4 | 3 |
| Hon. Julie O’Kane |
Circuit Court
| 9th Circuit | Orange | | | 0 |
| Hon. David Oberliesen |
Circuit Court
| 1st Circuit | Okaloosa | | | 0 |
| Hon. David Oberliesen |
Circuit Court
| 1st Circuit | Okaloosa | | | 0 |
| Hon. George Odom Jr. |
Circuit Court
| 17th Circuit | Broward | | | 3 |
| Hon. Jonathan Ohlman |
Circuit Court
| 5th Circuit | Marion | | | 3 |
| Hon. Reinaldo Ojeda |
Circuit Court
| 10th Circuit | Polk | | 6.2 | 3 |
| Hon. Shari Africk Olefson |
Circuit Court
| 17th Circuit | Broward | | 1.2 | 4 |
| Hon. Melissa Olin |
Circuit Court
| 3rd Circuit | Columbia | | | 0 |
| Hon. Michael Orfinger |
Circuit Court
| 7th Circuit | Volusia | | | 0 |
| Hon. Michael Orlando |
Circuit Court
| 17th Circuit | Broward | | | 0 |
| Hon. Ariana Fajardo Orshan |
Circuit Court
| 11th Circuit | Miami-Dade | | 8.0 | 1 |
| Hon. Maria Ortiz |
County Court
| 11th Circuit | Miami-Dade | | 9.8 | 2 |
| Hon. Cynthia Oster |
Circuit Court
| 13th Circuit | Hillsborough | | | 0 |
| Hon. William Overton |
County Court
| 6th Circuit | Pinellas | | | 3 |
| Hon. Andrew Owens Jr. |
Circuit Court
| 12th Circuit | Manatee | | | 0 |