| Author Name | Profession | Nationality |
| H. C. Bailey | Writer | English |
| H. E. Bates | Writer | English |
| H. R. Giger | Artist | Swiss |
| H. R. Haldeman | Politician | American |
| H. Rider Haggard | Writer | English |
| Haile Gebrselassie | Athlete | |
| Haim Ginott | ||
| Hal Abelson | Scientist | American |
| Hal David | Musician | American |
| Haldan Keffer Hartline | Scientist | American |
| Hale Irwin | Athlete | American |
| Haley Barbour | Politician | American |
| Hall Caine | Novelist | British |
| Halston | Designer | American |
| Hamad Bin Isa Al Khalifa | Statesman | |
| Hamad Bin Isla Al Khalifi | ||
| Hamid Karzai | Statesman | |
| Hamilton Fish | Politician | American |
| Hamilton Jordan | Public Servant | American |
| Hamlin Garland | Novelist | American |
| Hank Aaron | Athlete | American |
| Hank Ballard | Musician | American |
| Hank Haney | Athlete | American |
| Hank Jones | Musician | American |
| Hank Ketcham | Cartoonist | American |
| Hannes Alfven | Scientist | Swedish |
| Hanns Eisler | Composer | German |
| Hanns Johst | Playwright | German |
| Hanoi Hannah | Celebrity | Vietnamese |
| Hans Christian Andersen | Author | Danish |
| Hans Eysenck | Psychologist | German |
| Hans Georg Gadamer | Philosopher | German |
| Hans Janmaat | Politician | Dutch |
| Hans Magnus Enzensberger | Author | German |
| Hans Urs Von Balthasar | Theologian | Swiss |
| Harlan Ellison | Writer | American |
| Harmon Killebrew | Athlete | American |
| Harold Acton | Historian | English |
| Harold Bauer | Musician | English |
| Harold Evans | Journalist | British |
| Harold Ford | Politician | American |
| Harold Hamm | Businessman | American |
| Harold L. Ickes | Politician | American |
| Harold Larwood | Athlete | English |
| Harold S. Geneen | Businessman | British |
| Harper Lee | Novelist | American |
| Harriet Ann Jacobs | Writer | American |
| Harriet Harman | Politician | British |
| Harrison Ford | Actor | American |
| Harry Banks | Soldier | English |
| Harry Callahan | Photographer | American |
| Harry Caray | Entertainer | American |
| Harry Carey, Jr. | Actor | American |
| Harry Essex | Writer | American |
| Harry Hamlin | Actor | American |
| Harry Harrison | Author | American |
| Harry Johnston | Explorer | British |
| Harry Lauder | Entertainer | Scottish |
| Harvey Ball | Celebrity | American |
| Harvey Fierstein | Actor | American |
| Harvey Keitel | Actor | American |
| Harvey S. Firestone | Businessman | American |
| Hasil Adkins | Musician | American |
| Havelock Ellis | Psychologist | British |
| Hazrat Inayat Khan | Clergyman | |
| Heath Ledger | Actor | Australian |
| Heather King | Journalist | American |
| Heather Langenkamp | Actress | American |
| Hector Elizondo | Actor | American |
| Hedy Lamarr | Actress | Austrian |
| Heinz Fischer | Statesman | Austrian |
| Helen Fielding | Author | British |
| Helen Gahagan | Actress | American |
| Helen Garner | Novelist | Australian |
| Helen Hunt Jackson | Writer | American |
| Helen Keller | Author | American |
| Helena Bonham Carter | Actress | British |
| Helene Deutsch | Psychologist | Austrian |
| Helge Ingstad | Explorer | Norwegian |
| Helmut Jahn | Architect | German |
| Henri Barbusse | Novelist | French |
| Henri Cartier Bresson | Photographer | French |
| Henri Frederic Amiel | Philosopher | Swiss |
| Henri La Fontaine | Lawyer | Belgian |
| Henri Laurens | Sculptor | French |
| Henri Lefebvre | Sociologist | French |
| Henrik Ibsen | Poet | Norwegian |
| Henry Adams | Historian | American |
| Henry Addington | Statesman | British |
| Henry Alford | Clergyman | English |
| Henry Arthur Jones | Dramatist | English |
| Henry Campbell Bannerman | Politician | British |
| Henry Cavill | Actor | British |
| Henry Charles Carey | Economist | American |
| Henry Darrow | Actor | Puerto Rican |
| Henry Fielding | Novelist | English |
| Henry Flagler | Businessman | American |
| Henry Flynt | Artist | American |
| Henry Fonda | Actor | American |
| Henry Ford | Businessman | American |
| Henry George | Economist | American |
| Henry Hallam | Historian | English |
| Henry Hampton | Activist | American |
| Henry Harland | Novelist | American |
| Henry Irving | Actor | English |
| Henry J. Kaiser | Businessman | American |
| Henry James | Writer | American |
| Henry Laurens | Politician | American |
| Henry Lawson | Writer | Australian |
| Henry Louis Gates | Critic | American |
| Henry M. Jackson | Politician | American |
| Henry S. Haskins | ||
| Henry Seidel Canby | Critic | American |
| Henry St. John | Politician | English |
| Henry W. Kendall | Scientist | American |
| Henry Walter Bates | Environmentalist | English |
| Herb Alpert | Musician | American |
| Herb Caen | Journalist | American |
| Herb Elliott | Athlete | Australian |
| Herb Kelleher | Businessman | American |
| Herbert Baker | Architect | South African |
| Herbert Baxter Adams | Educator | American |
| Herbert Kaufman | Writer | American |
| Herbie Hancock | Musician | American |
| Herman Cain | Businessman | American |
| Herman Kahn | Scientist | American |
| Hermann Ebbinghaus | Psychologist | German |
| Hermione Gingold | Actress | English |
| Hervey Allen | Author | American |
| Hiam Abbass | Actress | Palestinian |
| Hiram Johnson | Politician | American |
| Hoagy Carmichael | Composer | American |
| Hodding Carter | Journalist | American |
| Holbrook Jackson | Writer | English |
| Hollie Cavanagh | Musician | American |
| Holly Johnson | Musician | English |
| Honore De Balzac | Novelist | French |
| Hoot Gibson | Actor | American |
| Hope Davis | Actress | American |
| Hope Emerson | Actress | American |
| Horatio Alger | Author | American |
| Hosea Ballou | Clergyman | American |
| Howard Aiken | Scientist | American |
| Howard Bach | Athlete | American |
| Howard Baker | Statesman | American |
| Howard Barker | Playwright | British |
| Howard Cannon | Politician | American |
| Howard Carter | Scientist | English |
| Howard Dean | Politician | American |
| Howard Fineman | Journalist | American |
| Howard Finster | Artist | American |
| Howard Gardner | Psychologist | American |
| Howard H. Baker, Jr. | Politician | American |
| Howard Keel | Actor | American |
| Howard Mumford Jones | Writer | American |
| Howie Carr | Author | American |
| Hu Jintao | Statesman | Chinese |
| Hubert De Givenchy | Designer | French |
| Hugh Dalton | Politician | British |
| Hugh Dancy | Actor | British |
| Hugh Jackman | Actor | Australian |
| Hugh Kingsmill | Writer | British |
| Hugh Latimer | Clergyman | English |
| Hugh Laurie | Comedian | British |
| Hugh Newell Jacobsen | ||
| Hugo Ball | Author | German |
| Hugo Gernsback | Inventor | American |
| Hulagu Khan | Leader | |
| Humphrey Carpenter | Author | English |
| Humphrey Gilbert | Explorer | English |
| Humphry Davy | Scientist | British |
| Hutton Gibson | Writer | American |
“Truth as such is not a particularly important concept in naturalistic philosophy.”