Last names starting with "O"
- Class of 1996 Dawn Oakley
- Class of 1985 Donald Oakley
- Class of 1971 Marilyn Oberting (formerly Boyer)
- Class of 1987 Jennifer OBrien
- Class of 1989 Dominc OConnor
- Class of 2006 Brittany Odom
- Class of 1986 Pam Offill
- Class of 1991 Tammy Oiler
- Class of 1992 Michael Okulich
- Class of 1974 Sandy Oliver
- Class of 2009 Brittany Osborn
- Class of 1986 Melissa Osborn
- Class of 2007 Tiffany Osborn
- Class of 1995 Lilia Osteroh Famous
- Class of 1976 Fritz Otterbein
- Class of 1981 Tina Overly
- Class of 1978 Paul Overturf Memorial
- Class of 1982 Tammy Oyler
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About the Groveport Madison High School Alumni Directory
Check out all of the names of the Groveport Madison High School alumni that attended high school in Groveport 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 Groveport Madison HS and you can view other alumni and read what other former students have posted about the time they spent at Groveport Madison.