| Name | Court | County | Town | Rate this Judge | Rating | # of Ratings |
| Hon. William O'Brien |
District Court
| Nassau | |  | 9.7 | 3 |
| Hon. Geoffrey O'Connell |
Supreme Court
| Nassau | | | | 1 |
| Hon. Marilyn O'Connor |
Family Court
| Monroe | | | 6.8 | 1 |
| Hon. Kimberly O'Connor |
County Court
| Albany | | | | 0 |
| Hon. Terrence O'Connor |
Family Court
| Queens | | | | 0 |
| Hon. Colin O'Donnell |
District Court
| Nassau | | | | 0 |
| Hon. John O'Donnell |
Supreme Court
| Erie | | | | 1 |
| Hon. Mary O'Donoghue |
Family Court
| Kings (Brooklyn) | | | 8.9 | 1 |
| Hon. Peter O'Donoghue |
Supreme Court
| Queens | | | 9.0 | 5 |
| J.H.O. O'Dwyer |
JHO/Support Magistrates
| Queens | | | 5.3 | 1 |
| Hon. Kelly O'Neill Levy |
Family Court
| Bronx | | | | 0 |
| Hon. Andrew O'Rourke |
Supreme Court
| Putnam | | | 7.5 | 4 |
| Hon. Ann O'Shea |
Civil Court
| Kings (Brooklyn) | | | | 0 |
| Hon. Judith Ferrell O'Shea |
Supreme Court
| Chemung | | | | 0 |
| Hon. Michael Obus |
Supreme Court
| New York | | | 8.8 | 10 |
| Hon. Patricia Obus |
Supreme Court (Criminal)
| New York | | | | 0 |
| Hon. J. Scott Odorisi |
Supreme Court
| Monroe | | | | 0 |
| Hon. Eleanora Ofshtein |
Housing Court
| Kings (Brooklyn) | | | | 0 |
| Hon. E. Jeannette Ogden |
Town, Village and Justice Court
| Erie | Buffalo | | | 0 |
| Hon. Jeffrey Oing |
Civil Court
| New York | | | 5.2 | 2 |
| Hon. Marjorie Olds |
Town, Village and Justice Court
| Tompkins | Ithaca | | | 0 |
| Hon. Robert Webster Oliver |
Supreme Court
| Suffolk | | | | 0 |
| Hon. Eugene Oliver, Jr. |
Supreme Court (Criminal)
| Bronx | | | | 0 |
| Hon. Emily Olshansky |
Family Court
| Kings (Brooklyn) | | | 3.1 | 2 |
| Hon. Paula Omansky |
Supreme Court (Civil)
| New York | | | | 0 |
| Hon. Robert Onofry |
Town, Village and Justice Court
| Orange | Port Jervis | | | 0 |
| Hon. Jodi Orlow |
Civil Court
| Queens | | | | 0 |
| Hon. Victor Ort |
Supreme Court
| Nassau | | | | 0 |
| Hon. Lisa Ottley |
Civil Court
| Kings (Brooklyn) | | | | 0 |
| Hon. Joseph Owen |
Supreme Court
| Orange | | | | 0 |
| Hon. John Owens |
Supreme Court
| Monroe | | | | 1 |
| Hon. Wayne M. Ozzi |
Supreme Court
| Kings (Brooklyn) | | | | 0 |