H
- Haas, Francis
- Haase, Hugo
- Habsbourg, Otto de
- Habsburgos
- Hácha, Emil
- Häcker, Emil
- Haeckel, Ernest
- Hájek, Jirí
- Haldane, J. B. S.
- Hales, John
- Halifax, Edward Frederick Lindley Wood, 1.º Conde de
- Hallas, Duncan
- Hallenburg, Józef Haller de
- Hamm, Wilhelm von
- Hamon, Augustin Frédéric
- Hampden, John
- Hampton, Fred
- Hamurabi
- Handal, Schafik Jorge
- Hanecki (Fürstenberg), Iákov Stanislávovitch
- Hankiewicz, Nikolai
- Hansemann, David Justus
- Hanssen, Georg
- Hanuman
- Harcourt, William George Granville Vernon
- Hardie, James Keir
- Hardman, Jacob Benjamin Salutsky
- Hargreaves, James
- Harman, Chris
- Harnecker, Marta
- Harney, George Julian
- Harring, Harro
- Harris, James
- Harrison, William
- Hartmann, Eduard von
- Hartstein (Levi), Paul
- Harvey, William
- Hasenclever, Wilhelm
- Hassall, Arthur Hill
- Hassan II, el-Hassan ben Mohammed ben Youssef el-Alaoui
- Hasselmann, Wilhelm
- Hastings, Warren
- Hatzfeldt, Sophie, condessa de
- Haupt, Hermann Wilhelm
- Häusser, Ludwig
- Haushofer, Karl
- Haussez, Charles Lemercier de Longpré, barão de
- Haussmann, Georges-Eugène
- Hautpoul, Alphonse Henri
- Havel, Václav
- Havemeyer, John K.
- Haxthausen, August
- Hayek, Frederick August von
- Haym, Rudolf
- Haynau, Julius Jacob
- Haywood, Harry
- Hebrang, Andrija
- Hécate
- Heeckeren, Georges-Charles d'Anthès, barão de
- Hefesto
- Hegel, Georg Wilhelm Friedrich
- Hegelianos de Esquerda ou Jovens Hegelianos
- Heidegger, Martin
- Heijenoort, Jean Van
- Heilmann, Ernest
- Heine, Christian Johann Heinrich
- Heine, Wolfgang
- Heinig, Kurt
- Heinze, Max (Franz Friedrich)
- Hekmat, Mansoor
- Hellfond, Ossip Ignatievitch
- Hellwald, Friedrich Anton Heller von
- Helmholtz, Hermann von
- Helvétius, Claude Adrien
- Henderson, Arthur
- Hennyey, Gusztav
- Henriot, Philippe
- Henrique III
- Henrique IV
- Henrique VI
- Henrique VII
- Henrique VIII
- Hepner, Adolf
- Heraclito de Éfeso
- Hérbert, Jacques-René
- Hering, Ewald
- Herkner, Heinrich
- Heródoto
- Heróstrato
- Herrenschwand, Jean
- Herrera, Enrique Olaya
- Herriot, Édouard
- Herschel, William
- Hertz, Friedrich Otto
- Hertz, Heinrich
- Hervé, Edouard
- Hervé, Gustave
- Herwegh, Georg Friedrich Rudolph Theodor
- Herz (Uliánov, Dmítri Ilitch)
- Herzen, Alexandr lvánovitch
- Herzenstein, Mikhaíl Iákovlevitch
- Hess, Rudolf Walter Richard
- Hesse, Alexandra Fyodorovna
- Heusler, Andreas
- Heydt, August, barão
- Heyfelder, Viktor
- Heymann, Hans Gideon
- Hibben, John Grier
- Hildebrand, Gerhard
- Hilferding, Rudolf
- Hill, David Jayne
- Hillman, Sidney
- Hillquit, Morris
- Himmler, Heinrich Luitpold
- Hindenburg, Paul
- Hins, Eugene
- Hirsch, Max
- Hirsch, Wilhelm
- Hitler, Adolf
- Hlatky, Endre
- Ho Chi Minh
- Hobbes, Thomas
- Hobsbawm, Eric John Ernest
- Hobson, John Atkinson
- Höchberg, Karl
- Hodgskin, Thomas
- Hoffmann von Fallersleben, August Heinrich
- Hoffmann, Max
- Höglund, Carl Zeth Konstantin
- Hohberg, K.
- Hohenzollern
- Hohenzollern, Leopold
- Holbach, Paul-Henri Dietrich, barão
- Holdsworth, W. A.
- Hole, James
- Hołówko, Tadeusz Ludwik
- Holyoake, George Jacob
- Holzkamp, Klaus
- Homero
- Honecker, Erich
- Hönigswald, Richard
- Hook, Liston
- Hook, Sidney
- Hoover, Herbet Clark
- Hopkins, Thomas
- Horácio (Quintus Horatius Flacus)
- Horkheimer, Max
- Horne, George
- Horner, Francis
- Horner, Leonard
- Horthy, Miklós
- Horváth, Imre
- Hougton, John
- Houllevigue, Louis
- Houphouet-Boign, Félix
- Houtart, François
- Howell, Thomas Jones
- Howitt, Alfred William
- Howitt, William
- Hoxha, Enver
- Hoxha, Nexhmije
- Hu Hanmin
- Hu Qiaomu
- Hu Yaobang
- Hua Guofeng
- Huber, Victor Aimé
- Hübner, Otto
- Hudson, Robert Spear
- Hughes, James Mercer Langston
- Hugo, Victor Marie
- Humboldt, Friedrich Alexander
- Hume, David
- Hung Hsiu-Ch’uan
- Hunter, Henry Julian
- Huschke, Georg Philipp
- Hussein, Saddam
- Hutton, Charles
- Huxley, Thomas Henry
- Huysmans, Camille
- Hyndman, Henry Mayers