Last names starting with "O"
- Ruth Odeguarrd
- Class of 1957 Richard Oesterling
- Class of 2009 Cameron Ogden
- Class of 1997 Travis Ohnemus
- Class of 2013 Casey Olsen
- Michael Olsen
- Mike Olsen
- Class of 1970 David Olson
- Class of 1997 Lagrande Oregon
- Class of 2013 Molly Orton
- Class of 2008 Ericberto Oseguera
- Class of 1995 Dan Osterman
- Class of 1968 Kathy Ott
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About the La Grande High School Alumni Directory
Check out all of the names of the La Grande High School alumni that attended high school in La Grande that are listed above. Registering will allow you to join the directory. You can also find out what other graduates are doing now, share memories with other alumn, upload pictures from La Grande and find other alumni.