Last names starting with "O"
- Class of 1986 John O'dea
- Class of 1970 Catherine O'Hara (now Adams)
- Class of 1969 William O'shaunessy
- Class of 1985 Terrence Obey
- Class of 1989 Mary Ocella
- Class of 1981 Dan ODea
- Class of 1986 John Odea
- Class of 1995 Jennifer Odonnell
- Class of 1981 Tim Olsen
- Class of 2011 Jasmine Oneal
- Ian Oneill
- Class of 1993 Elizabeth Ormrod
- Class of 1985 Laura Ostrowski (formerly Ysewyn)
- Beth Ouimet
- Class of 1975 Dawn Ouimet
- Class of 1977 Stephanie Owen
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About the Ledyard High School Alumni Directory
Check out all of the names of the Ledyard High School alumni that attended high school in Ledyard that are listed above. Registering will allow you to join the directory. If you are an alumn of Ledyard High you should register now in the alumni directory. We also encourage you to interact with the rest of the alumni on this site. You can find old friends, share photos and stay updated on the latest school news.