John Barrett Kerfoot - 7th President of Trinity College, from 1864 to November 1865.
Key - One of the symbols of the President's Office.
Francis H. Kimball - An architect of the “new campus” created in the late 1800s.
Koeppel Community Sports Center - A multi-use athletic facility on the southern edge of the campus that serves primarily as home-ice for Trinity men's and women's ice hockey teams.
Vernon K. Krieble - A professor at Trinity from 1920 to 1955 and inventor of Loctite.