Last names starting with "O"
- Class of 2002 Sarah O'Connell
- Ebony Obanner
- Class of 1965 Jean Oconnor
- Class of 1996 Meredith Oconnor
- Keneshi Odukw
- Class of 2011 Kenechi Odukwe
- Class of 1961 Kenneth Ohidy
- Class of 1983 Maureen OKeeffe
- Class of 1979 Micheal Onofrio
- Class of 1969 John Orio
- Class of 1967 Louis Ornato
- Class of 1987 John Osmun
- Class of 1967 Robert Ostrander
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About the North Haven High School Alumni Directory
Check out all of the names of the North Haven High School alumni that attended high school in North Haven that are listed above. Registering will allow you to join the directory. For former North Haven students from CT, 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 North Haven High School alumni.