| Name | Admission Date |
|---|
| O'Beirne, Patricia L. | 09/18/2009 |
| O'Brien, Abbie Carrico | 06/28/2022 |
| O'Brien, David S. | 06/02/1982 |
| O'Brien, Dorothy E. | 03/25/1980 |
| O'Brien, Edward M. | 01/20/2015 |
| O'Brien, Eileen | 02/12/1990 |
| O'Brien, James M. | 11/29/2000 |
| O'Brien, Kenneth P. | 12/07/1993 |
| O'Brien, Russell L. | 12/20/2000 |
| O'Brien, Sandra T. | 02/06/1992 |
| O'Brien, Stephen M. III | 03/09/1981 |
| O'Brien, Thomas Patrick III | 12/19/1994 |
| O'Brien, William Patrick | 09/16/1980 |
| O'Bryan, Ambrose K. | 07/18/2019 |
| O'Bryan, Christopher P. | 12/17/1985 |
| O'Bryan, Derek Patrick | 10/30/2003 |
| O'Bryan, George R. | 01/19/1982 |
| O'Bryan, Julie Ann | 07/17/1995 |
| O'Bryan, Mary E. | 02/04/1986 |
| O'Bryan, Michelle Marie | 05/11/1993 |
| O'Bryan, Paul C. | 11/01/2000 |
| O'Bryan, Shane | 02/13/2001 |
| O'Callaghan, Meghan L. | 06/26/2018 |
| O'Carra, Leila | 05/12/2005 |
| O'Connell, Annie | 12/06/2011 |
| O'Connell, Matthew C. | 02/14/2002 |
| O'Connell, Michael J. | 06/25/1976 |
| O'Connor, Brian P. | 04/30/2020 |
| O'Dea, Timothy J. Jr. | 03/01/1996 |
| O'Donnell, Harry Bernard IV | 12/18/1991 |
| O'Donnell, Kimberly J. | 11/10/2008 |
| O'Donnell, Margaret | 07/30/1991 |
| O'Donnell, Sean P. | 12/21/2015 |
| O'Gara, Daniel J. | 02/16/2012 |
| O'Grody, Jeffrey R. | 11/08/1971 |
| O'Hara, Michael A. | 01/25/2017 |
| O'Hara, Michael J. | 02/06/2006 |
| O'Hare, Anne Liles | 07/23/2002 |
| O'Koon, Marvin R. | 01/17/1973 |
| O'Leary, Virginia M. | 03/11/1985 |
| O'Mara, Timothy P. | 10/26/1973 |
| O'Meara, Edward J. | 06/10/1996 |
| O'Neil, Shameka L. | 10/31/2012 |
| O'Neill, Rebecca J. | 02/06/2017 |
| O'Reilly, Herbert M. | 11/17/1976 |
| O'Reilly, Megan P. | 09/15/2014 |
| O'Toole, James N. | 08/07/2020 |
| Oakes, David V. | 10/22/1993 |
| Oakes, Stephen E. | 11/26/2018 |
| Oakley, K. Brad | 06/07/2006 |
| Oakley, Victoria | 10/05/2010 |
| Oates, Hannah | 03/06/2023 |
| Oberhausen, Mary Lee | 06/23/2005 |
| Obermeyer, Jason M. | 11/07/2017 |
| Obi, Stanford N. | 01/11/2000 |
| Obiechefu, Chukwuma Jullian | 08/16/2021 |
| Obrzut, Leslie N. | 03/07/2014 |
| Ochoa, Susana | 08/19/2019 |
| Oehler, Kathiejane | 03/03/1983 |
| Offill, Jesse | 07/20/2010 |
| Ogburn, J. Denis | 04/10/1990 |
| Ogburn, Jeremy T. | 08/30/2011 |
| Ogden, Len W. Jr. | 10/15/1974 |
| Ogle, Mark A. | 05/17/1996 |
| Oglesby, Christopher B. | 05/28/1998 |
| Ogrosky, Kirk | 12/18/1996 |
| Okrzynski, Sarah A. | 08/13/2010 |
| Olash, John Edwin | 05/28/1993 |
| Oldfather, Ann B. | 05/17/1979 |
| Oldfield, William C. | 05/08/1996 |
| Oldham, Jennifer B. | 02/10/2015 |
| Oldham, Jessica Iwler | 05/12/2008 |
| Oldham, Joseph Collins | 10/02/1967 |
| Oldham, Steven A. | 03/12/2009 |
| Oldham, William Kavanaugh | 11/05/1993 |
| Oleson, Nicholas A. | 10/29/2018 |
| Olgin, Dennis | 05/03/1994 |
| Olin, Walter John Jr. | 03/06/1979 |
| Olinger, Joslyn H. | 02/05/2007 |
| Oliphant, Neal D. | 01/12/1979 |
| Olivas, Daniel W. | 02/19/2019 |
| Oliver, Amy E. | 09/18/2017 |
| Oliver, Anne E. | 02/05/2007 |
| Oliver, Eric V. | 07/01/2011 |
| Oliver, Jonathan R. | 11/22/2008 |
| Olsen, Kevin M. | 08/14/2012 |
| Olson, Eric R. | 05/18/2001 |
| Olson, Mary E. | 07/18/2013 |
| Olson, Tyler D. | 08/09/2018 |
| Olt, Schuyler J. | 11/03/1981 |
| Oltmann, Michael V. | 06/05/2018 |
| Ombres, Deena G. | 06/05/2006 |
| Onyekwuluje, Osi | 11/26/1996 |
| Oppegard, Aaron | 08/18/2023 |
| Oppegard, Tony | 09/20/2011 |
| Oppenheimer, Brett H. | 11/06/1991 |
| Oppenheimer, Houston M. | 07/10/1973 |
| Orange, Charles R. | 04/05/1991 |
| Orberson, William B. Jr. | 12/16/1987 |
| Ordover, Eileen L. | 05/20/2005 |
| Orenstein, Joshua B. | 10/15/2015 |
| Orme, Shaun T. | 05/27/1994 |
| Orndorff, Jon B. | 02/28/2019 |
| Orr, Kristen Kate | 08/26/2008 |
| Ortkiese, Sarah | 04/06/2023 |
| Osborn, John S. Jr. | 07/05/1978 |
| Osborn, John S. III | 10/28/1981 |
| Osborne, D. Jane | 05/18/1989 |
| Osborne, Jill K. | 11/05/1993 |
| Osborne, Kevin A. | 12/07/2018 |
| Osborne, Lisa Frazier | 11/10/2004 |
| Osborne, Shelby Christine | 04/22/2024 |
| Osborne, Thomas L. | 12/10/1973 |
| Osbourn, Mark A. | 03/15/1988 |
| Oser, Devon N.R. | 04/21/2015 |
| Osterhage, John J. | 08/05/2003 |
| Osterhage, Lawrence E. | 12/28/1977 |
| Osterholt, Mary Lynne | 08/13/1980 |
| Osterloh, Morgan Todd | 04/26/2011 |
| Osterlund, Anthony L. | 04/25/2006 |
| Ostermiller, Peter L. | 03/17/1983 |
| Ostrowski, Dennis Mark | 11/17/1994 |
| Oswald, Clayton O. | 12/18/2008 |
| Ott, Robert A. | 03/03/2008 |
| Otten, Charles J. | 05/11/2017 |
| Ousley, Elizabeth F. | 12/07/2020 |
| Ousley, Robert B. | 01/05/2007 |
| Overbey, William Donald | 04/26/1962 |
| Overby, James O. | 04/21/1970 |
| Overcash, Wendell H. | 11/05/1993 |
| Overfield, James Landon | 09/12/1973 |
| Overstreet, Kent | 03/29/1996 |
| Overstreet, Mark R. | 04/11/1983 |
| Overstreet, Raymond | 03/05/2001 |
| Ovey, Glycon L. Jr. | 09/21/1979 |
| Ovey-Wiggins, Carrie Leigh | 02/01/2005 |
| Owen, David A. | 01/21/1988 |
| Owen, Joshua J. | 06/26/2023 |
| Owen, Lesley A. | 02/11/2019 |
| Owen, Lisa | 09/07/2011 |
| Owen, Matthew D. | 02/05/2013 |
| Owen, Matthew G. | 06/17/2005 |
| Owens, Darryl T. | 06/02/1972 |
| Owens, Fred Jr. | 09/13/2005 |
| Owens, James W. | 04/28/1966 |
| Owens, Jessica S. | 01/23/2020 |
| Owens, Kevin S. | 11/04/2015 |
| Owens, Stephen W. | 12/14/1994 |
| Owings, Benjamin T. II | 10/20/1998 |
| Owsley, David B. II | 11/01/2004 |
| Owsley, Michael A. | 10/02/1968 |
| Owsley, William B. | 01/20/1988 |
| Oxley, Perry W. | 03/27/2019 |
| Oyler, Caroline Miller | 03/29/1991 |
| Oyler, Daniel Martin | 04/23/1992 |
| Oyler, Michael W. | 07/12/1993 |