| O |
| O'Brien, Hugh | O'Brien, Jr., Capt. Robert R. | O'Connell, Michael |
| O'Connor, John Cardinal | O'Connor, James J. | O'Connor, James E. |
| O'Connor, John J. | O'Dwyer, Paul | O'Dwyer, Esq., Brian |
| O'Halleran, Michael D. | O'Keefe Jr., Raymond T. | O'Leary, USN, Timothy Stuart |
| O'Malley, Thomas D. | O'Malley, Michael K. | O'Neill, Peter L. |
| O'Neill, Rev. Timothy | O'Reilly, Anthony J.F. | O'Rourke, Andrew Patrick |
| O'Shea, Bud | O'Sullivan, Kevin P. | Obal, Albin D. |
| Ogletree, Jr., Charles J. | Ohanesian, MD, Roger V. | Ohm, Andrew Ho-Taik |
| Oldenburg, Richard E. | Oliva, L. Jay | Olivieri, Sadye Sinn |
| Olmos, Edward James | Olson, Frank A. | Olson, Jr., Lyndon L. |
| Onassis, Jacqueline Kennedy | Onesti, Ronald J. | Onorato, Athena Georgakakos |
| Onorato, George | Orbelian, Harry | Orbelian, Harry C. |
| Oreffice, Paul F. | Orfalea, Paul J. | Orr, James F. |
| Otero, Maria | Ouzoonian, Antranig M. | Owen, Randy Y. |
| Oz, MD, FACS, Mehmet C. | O’Brien, John Francis |