| Hertog van Medina Sidonia | Dukes of Medina Sidonia |
| Hertog van Montrose | Duke of Montrose |
| Hertog van Orléans | Duke of Orléans |
| Hertog van Portland | Duke of Portland |
| Hertog van Teck | Duke of Teck |
| Hertog van Wellington | Duke of Wellington |
| Hertog van York | Duke of York |
| Hertog Wen van Jin | Duke Wen of Jin |
| hertogdom | duchy |
| Hertogdom Bar | Counts and dukes of Bar |
| Hertogdom Bourgondië | List of counts of Burgundy |
| Hertogdom Brabant | Duchy of Brabant |
| Hertogdom Bremen | Duchy of Bremen |
| Hertogdom Bremen en Vorstendom Verden | Bremen-Verden |
| Hertogdom Cantabrië | Duchy of Cantabria |
| Hertogdom Gelre | Guelders |
| Hertogdom Kleef | Duchy of Cleves |
| Hertogdom Krain | Carniola |
| Hertogdom Lauenburg | Lauenburg |
| Hertogdom Limburg | Duchy of Limburg |
| Hertogdom Lotharingen | Duchy of Lorraine |
| Hertogdom Lucca | Duchy of Lucca |
| Hertogdom Milaan | Duchy of Milan |
| Hertogdom Modena en Reggio | Duchy of Modena and Reggio |
| Hertogdom Nassau | Nassau |
| Hertogdom Parma en Piacenza | Duchy of Parma |
| Hertogdom Saksen | Duchy of Saxony |
| Hertogdom Sleeswijk | Schleswig |
| Hertogdom Stiermarken | Duchy of Styria |
| Hertogdom van Bragança | Duke of Braganza |
| Hertogdom Warschau | Duchy of Warsaw |
| Hertogdom Westfalen | Duchy of Westphalia |
| Hertogdom Zwaben | Duke of Swabia |
| hertogelijk | ducal |
| hertogin | duchess |
| hertrouwen | remarry |
| Hertsa | Hertza region |
| Hertsagebied | Hertza region |
| Hertshooi | Hypericum |
| Hertshooifamilie | Clusiaceae |
| Hertshoornvaren | Platycerium |
| Hertta Kuusinen | Hertta Kuusinen |
| hertz | hertz |
| Hertzsprung-Russelldiagram | Hertzsprung-Russell diagram |
| heruitzending | repeat |
| Herulen | Heruli |
| hervallen | relapse |
| Hervarar saga | Hervarar saga |
| hervatten | pick up |
| hervatting | continuation |
| herverdelen | redistribute |
| herverdeling | redistribution |
| herverkiezing | reelection |
| herverkopen | resell |
| herverschijning | reappearance |
| herverzekeren | reinsure |
| herverzekering | reinsurance |
| Herverzekeringsverdrag | Reinsurance Treaty |
| Hervormd | Reformed |
| Hervormd Esperanto | Reformed Esperanto |
| hervormen | reform |
| hervorming | reform |
| Hervormingsoorlog | Reform War |
