U.S. History: Biographies
- Horace Gray
- Horace Greeley
- Horatio Gates
- Horatio Seymour
- Howard Henry Baker Jr
- Howell Cobb
- Hubert Horatio Humphrey
- Huey Pierce Long
- Hugh Samuel Johnson
- Hugh Swinton Legare
- Hyman George Rickover
- Isaac Charles Parker
- Isaac Wayne Macveagh
- Israel Putnam
- Iva Toguri DAquino
- J Edgar Hoover
- Jack French Kemp
- Jacob K. Javits
- Jacob Leisler
- James A. Baker III