U.S. History: Biographies
- Lizzie Andrew Borden
- Louis Hennepin
- Louise Arner Boyd
- Lucas Vasquez de Ayllon
- Lucille Roybal-Allard
- Lucius DuBignon Clay
- Lucius Quintus Cincinnatus Lamar
- Lucy Stone
- Luther Martin
- Lyman L. Lemnitzer
- Lyman Trumbull
- Lyndon Baines Johnson
- Lynne V. Cheney
- Madeleine Albright
- Maggie Williams
- Mamie Eisenhower
- Manasseh Cutler
- Marcos de Niza
- Marcus Alonzo Hanna
- Marcus Whitman