Last names starting with "O"
- Class of 1994 Kristen O'brien
- Class of 2018 Payton Oden
- Class of 2004 Adam Odonnell
- Class of 1972 Michael ODonnell
- Class of 2008 Tonya ODonnell
- Class of 1980 Stephanie Offt
- Class of 1935 Margerite OHara
- Class of 1998 Kristina Oldfield
- Class of 1972 Susan Oldfield
- Class of 1980 Kathy Olgesby
- Class of 1998 Shelly Olmstead
- Anya Olsen
- Class of 1974 Amy Onody Harden
- Class of 1980 Eugene Ordmandy
- Class of 1977 Frances Osborne
- Class of 1963 Nancy Oshell
- Class of 1971 John Ostrander
- Class of 1982 Greg Owen
Looking for Oneonta High School alumni not listed? If so, check out Classmates.com® - hundreds of more OHS alumni have posted their profiles.
About the Oneonta High School Alumni Directory
If you attended Oneonta High and want to be added to the alumni directory register now to add your name to the alumni list. While you are reminiscing about the times you spent in high school at Oneonta High School, you should also check out alumni photos, yearbook listings and share any reunion info if possible.