Last names starting with "O"
- Class of 1972 Barbara O'Brien
- Kevin O'Hara
- Class of 1981 Carla Obrien
- Class of 1981 Karla Obrien
- Class of 1990 Kerrie Obrien
- Class of 1966 Edward Ocker
- Casey Oconnell
- Class of 1978 Kurt Oehler
- Class of 1974 William Oehler
- Class of 1972 Clifford Olsson
- Class of 2000 Alana Orr
- Class of 1995 Damon Orsulich
- Class of 1980 Penny Osterhoudt
- Sue Ostrander
Looking for Onteora High School alumni not listed? If so, check out Classmates.com® - hundreds of more OHS alumni have posted their profiles.
About the Onteora High School Alumni Directory
If you attended Onteora High and want to be added to the alumni directory register now to add your name to the alumni list. For former OHS students from NY, you can view the class reunion information that has been posted by other site visitors. In addition, we encourage you to post your profile in the alumni directory, share information about the school activities you were involved with and reconnect with Onteora High School alumni.