| Name | Party | Official Position | Location |
|---|---|---|---|
| O'Brien, Marisa N | NA | ||
| O'Brien, Richard M | NA | ||
| O'Donnell, Daniel J | NA | ||
| O'Donovan, Kelly L | NA | ||
| O'Hanlon, Kathleen M | NA | ||
| O'Hare, Lauren E | NA | ||
| O'Keefe, Sean C | NA | ||
| O'Mara, Thomas F | NA | ||
| O'Neill, Ashley L | NA | ||
| Oak, William G | NA | ||
| Oaks, Robert C | NA | ||
| Oechsner, Rebecca M | NA | ||
| Oitzinger, Lisa R | NA | ||
| Okeefe, Kathleen | NA | ||
| Omeste, Joan A | NA | ||
| Oneill, Barbara M | NA | ||
| Ortiz, Felix W | NA | ||
| Ortiz, Joseph | NA | ||
| Ortiz, Manuel | NA | ||
| Ortt, Robert G | NA | ||
| Oscar J Hines | NA | ||
| Ostrander, Michael S | NA | ||
| Otis, Steven | NA | ||
| Ouderkirk, Marianne D | NA | ||
| Ovalles, Orlando R | NA | ||
| Overton, Erica G | NA | ||
| Owen N Witte | NA | ||
| Owens, Kathleen M | NA | ||
| Ozmon, Nancy L | NA |