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.