The Lexicon entries below explore significant Holocaust-related events, topics, places and personalities and are based on Yad Vashem's Encyclopedia of the Holocaust
- Hague, The
- Hahn, Ludwig
- Hajkova, Alena
- Hamburg
- Hardaga, Mustafa
- Hasag
- Hassell, Ulrich Von
- Haupttreuhandstelle Ost
- Hausner, Gideon
- Hautval, Adelaide
- Heil Hitler
- Hess, Rudolf
- Heydrich, Reinhard
- HICEM
- Hilfsverein der Deutschen Juden
- Hilfswillige
- Himmler, Heinrich
- Hindenburg, Paul von Benneckendorff und von
- Hirsch, Otto
- Hirschler, Rene
- Hirschmann, Ira
- Hitler, Adolf
- Hitlerjugend
- Hlinka Guard
- Hlinka, Andrej
- Hoess, Rudolf
- Holocaust
- Holocaust, Denial of
- Home Army
- Home Guard, Poland
- Homosexuality in the Third Reich
- Horst Wessel Song
- Horthy Offer
- Horthy, Miklos
- Hotel Polski
- Hungarian Labor Service System
- Hungary
- Husseini, Hajj Amin al