Last names starting with "O"
- Class of 1975 Nancy O'Brien (now Bennett)
- Class of 1969 Sharon O'Brien (now Patchett)
- Buck O'Neil
- Class of 1944 Barry OConner
- Class of 1944 Barry Oconnor (formerly Richard Barry Oconnor)
- Class of 1989 Christine ODell (formerly Bourdon)
- Class of 1981 Debra Olson
- Class of 2007 John Olson
- Gary Omans
- Class of 1966 Skip Onyan
- Class of 1975 Stewart Ortman
- Class of 1999 Rochelle Ostinett
- Class of 1963 Sue Owen
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About the Cazenovia High School Alumni Directory
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