Last names starting with "O"
- Class of 1983 Freddie O (now Cook)
- Class of 1981 Robert O'Hara
- Ashlee Oconnor
- Class of 1962 John Ogle
- Class of 1988 Ed Oldham
- Class of 2011 Kelsey Oldham
- Spencer Oldham
- Vince Oldham
- Class of 1998 Brandon Oliver
- Class of 2002 Annmarie Oneal
- Class of 1995 Andrew Overturff
- Julie Overturff
- Class of 2003 Derek Owen
- Class of 1973 Pamela Owen (formerly Snoddy)
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