Ontario (OHS) Class of 1991 Alumni List

Help us Update the Ontario 1991 Class List by adding any names missing from the list below:

1991 Class List

Know Ontario Class of 1991 graduates that are NOT on this List? Help us Update the 1991 Class List by adding missing names.

Reunions and Ontario High School News

More 1991 alumni from Ontario HS Ontario, OR have posted profiles on Classmates.com®. Click here to register for free at Classmates.com® and view other 1991 alumni.


The Ontario High Ontario, OR class of '91 alumni are listed below. These are former students from Ontario in Ontario, OR who graduated in 1991. Alumni listings below have either been searched for or they registered as members of this directory.

If you haven't already, we also encourage you to register for free on this site. You may also want to check out the latest news and school memories.