Last names starting with "O"
- Class of 1970 John O'Boyle
- Class of 1985 Melisa Oberson
- Class of 1937 Rita Obrien (now Askins)
- Class of 1979 Laura Ocampo
- Class of 1986 Joseph Ocasio
- Class of 2002 Michael Odonnell
- Class of 1960 Theresa ODonnell
- Melissa Olivi
- Class of 1994 Christopher Olsovsky
- Class of 1991 Heather Oncheck (now Reed)
- Class of 2004 Cassie Oravec
- Chris Oravec
- Class of 1968 Jonathan Oravec
- Class of 1984 Robert Ornosky
- Jeff Ortwein
- Class of 1992 David Owcz
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About the Bethlehem Catholic High School Alumni Directory
Check out all of the names of the Bethlehem Catholic High School alumni that attended high school in Bethlehem that are listed above. Registering will allow you to join the directory. You can share memories of those activities that you were involved with at Bethlehem Catholic HS and you can view other alumni and read what other former students have posted about the time they spent at Bethlehem Catholic.