- Katz, Elihu1
- Kegan, Robert1
- Keifert, Patrick R1
- King, Martin Luther, Jr, 1929-19681
- Kitsap Lake Baptist Church (Silverdale, Wash)1
- Kouzes, James M1
- Kübler-Ross, Elisabeth1
- LaCugna, Catherine Mowry, 1952-19971
- Laity1
- Landmark Ministries Church (Oakland, Calif)1
- Larson, April Ulring, Bp1
- Latvian Evangelical Lutheran Church in America1
- Law and gospel1
- Lay preaching1
- Lazarsfeld, Paul Felix, 1901-19761
- Leadership1
- Leisure1
- Levinson, Daniel J1
- Lighthouse Church (Newark, NJ)1
- Linwood United Methodist Church (Worthington, Ohio)1