- Kidonakis, Nikolaos (1969-)1
- King, David Ashley (1967- )1
- King, Nancy (1942- )1
- Kinnick, Katherine N1
- Landrum, Spec (James Davis), 1917-1
- Lands, LeeAnn (1967-)1
- Lapides, Paul D1
- Lasher, Harry J (1940- )1
- Law enforcement--Georgia--Cobb County1
- LeBaron, Alan V (1947- )1
- Lester, Army (1956- )1
- Lewin, Jonathan W1
- Library administrators--Georgia--Cobb County1
- Lockheed Aircraft (Marietta, Ga)1
- London (England)--History--Bombardment, 1940-19451
- Long, Harrison Oliver (1966-)1
- Loomis, Kimberly S1
- Marietta (Ga.)--Social life and customs--20th century1
- Marietta City Schools (Marietta, Ga.)1
- Matson, Ronald H1
