Last names starting with "O"
- Michael O'Sullivan
- Class of 1979 Barack Obama
- Class of 1999 Tanya Jade OBrien
- Class of 1984 Carol Ocasio (formerly Kalaheo)
- Class of 1986 Russell Olayer
- Class of 1979 Sherrie Olbright (now Campbell)
- Class of 1988 Pat OLeary
- Class of 1981 Ronald Oleyer
- Class of 1984 Robert Oliva
- Mark Olival
- Class of 1979 Debra Olsen (now Plagman)
- Class of 1984 Erik Orion
- Class of 1987 Colleen Ortiz
- Class of 1995 Kevin Oshiro
- Class of 1992 Sisney Oshiro
- Daniel Oswald
- Michelle Owens
Looking for Kalaheo High School alumni not listed? If so, check out Classmates.com® - hundreds of more KHS alumni have posted their profiles.
About the Kalaheo High School Alumni Directory
Check out all of the names of the Kalaheo High School alumni that attended high school in Kailua that are listed above. Registering will allow you to join the directory. We also encourage you to keep up to date on news and reconnect with Kalaheo High School alumni.