Last names starting with "A"
- Class of 1984 Derek Abc
- Jennifer Adams
- Jesse Albrecht
- Class of 1996 Craig Alexander
- Class of 2009 Tyler Allard
- Class of 1989 Tonya Allen
- Class of 2006 Rebecca Allman
- Stephen Ames
- Class of 1994 Michelle Anderson
- Class of 1925 Jenny Arendson
- Class of 2000 Anthony Argillo
- Alex Armstrong
- Class of 1988 Shenda Arndt (formerly Olmstead)
- Class of 1980 Steven Arndt
- Class of 1993 Sarah Arnoldink
- Class of 1975 Marilyn Aseltine
- Class of 1981 Richard Ashbaugh
- Tina Augustine
- Stephan Aukerman
- Steve Aukerman
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About the Otsego High School Alumni Directory
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