List of islands by name (H)
This article features a list of islands sorted by their name beginning with the letter H.
H
| Island’s Name | Island group | Country/Countries |
| Haaf Gruney | ||
| Hadseløya | Vesterålen | |
| Hailuoto | ||
| Hainan | ||
| Hajógyári-sziget | Danube River | |
| Halfmoon | Georgian Bay | |
| Half Moon | South Shetland Islands | Claimed by Argentine Antarctica,, of, and of the |
| Half Moon | ||
| Halfmile | Lake Winnipesaukee, | |
| Halib | ||
| Halifax | ||
| Halki | Dodecanese | |
| Hallig Habel | North Frisian Islands | |
| Hamburger Hallig | North Frisian Islands | |
| Hanerahu | Väinameri Sea | |
| Hanikatsi laid | Väinameri Sea | |
| Hans | Kennedy Channel of Nares Strait | Claimed by both and |
| Hao | , | |
| Hara | Gulf of Finland | |
| Harat | Dahlak Archipelago | |
| Harbour Round | ||
| Hareidland | ||
| Harilaid | Baltic Sea | |
| Harmil | Dahlak Archipelago | |
| Harris | Rice Lake, | |
| Hascosay | ||
| Hatch | Georgian Bay | |
| Hateruma | Yaeyama Islands part of the Sakishima Islands part of the Ryukyu Islands | |
| Hatoma | Yaeyama Islands part of the Sakishima Islands part of the Ryukyu Islands | |
| Hatteras | Outer Banks, | |
| Havra | ||
| Hawai‘i | ||
| Hawar | Hawar Islands | |
| Hawk | ||
| Hawkesbury | ||
| Hawks Nest | Lake Winnipesaukee, | |
| Hay | Georgian Bay | |
| Hayden | Columbia River, | |
| Hecate | ||
| Hei Ling Chau | Islands District, | |
| Heimaey | Vestmannaeyjar | |
| Helgö | Lake Mälaren | |
| Heligoland | Heligoland Bight, | |
| Helliar Holm | ||
| Helnæs | Islands of the waters south of Funen | |
| Hen | Lake Erie, | |
| Hen and Chicken | Georgian Bay | |
| Henderson |  British overseas territories | |
| Henderson | Shackleton Ice Shelf, Antarctica | |
| Henderson | Ohio River, | |
| Hendurabi | Persian Gulf | |
| Hengam | Persian Gulf | |
| Henry | San Juan Islands, | |
| Isle aux Herbes | ||
| Hereheretue | Duke of Gloucester Islands, , | |
Herm  | Channel Islands | |
| Hermit | Lake Winnipesaukee, | |
| Heron | Lake Mead, | |
| Herrs | Allegheny River, | |
| Hertsön | ||
| Herschel | Lake Huron | |
| Herschel | ||
| Hertzberg | Georgian Bay | |
| Hess | Susquehanna River, | |
| Hesselø | The Kattegat | |
| Hestan | Solway Firth, | |
| Hestur | ||
| Heybeliada | Prince's Islands | |
| Hickory | West Lake | |
| Hiddensee | Islands of the Baltic Sea | |
| Hiiumaa | West Estonian archipelago; Baltic Sea | |
| Wirral | estuary of the River Dee | |
| Hildasay | ||
| Hinnøya | Vesterålen | |
| Hisingen | Kattegat, Västergötland and Bohuslän | |
| Hispaniola | Antilles | and |
| Hitra | Trondheimsfjord | |
| Hiu | Torres Islands | |
| Hiwassee | Chickamauga Lake, | |
| Hjelm | ||
| Hjortø | Islands of the waters south of Funen | |
| Hoak | Susquehanna River, | |
| Hobbs | Tennessee River, | |
| Hobulaid | Väinameri Sea | |
| Hoëdic | ||
| Hoeksche Waard | ||
| Hoffman | Illinois River, | |
| Hog | North Channel, | |
| Hog | Ottawa River, | |
| Hog | Essequibo River | |
| Hog | Narragansett Bay, | |
| Hog | ||
| Hog | ||
| Hog | James River, | |
| Hog | Petaluma River, | |
| Hog | Tomales Bay, | |
| Hog | Aleutian Islands, | |
| Hokkaidō | Japanese Archipelago | |
| Holm of Faray | The North Isles, | |
| Holm of Huip | The North Isles, | |
| Holm of Papay | The North Isles, | |
| Holm of Scockness | The North Isles, | |
| Hong Kong Island | ||
| Honshū | Japanese Archipelago | |
| Hooge | North Frisian Islands | |
| Hope | ||
| Hope | Georgian Bay, | |
| Hopen | Svalbard | |
| Hõralaid | Väinameri Sea | |
| Hormuz | Persian Gulf | |
| Horn | ||
| Hornby | Gulf Islands, | |
| Horse | Thimble Islands, | |
| Horse | ||
| Horse | Summer Isles | |
| Horse Islands | ||
| Houat | ||
| Housay | Out Skerries, | |
| Howakil | Dahlak Archipelago | |
| Howe | Saint Lawrence River | |
| Howell | Missouri River, | |
| Howland Island | ||
| Hoy | The South Isles, | |
| Huahine | Windward Islands, Society Islands, | Overseas collectivity of |
| Hauhine Iti | Windward Islands, Society Islands, | Overseas collectivity of |
| Hauhine Nui | Windward Islands, Society Islands, | Overseas collectivity of |
| Huckleberry | Georgian Bay | |
| Hülgerahu | Väinaeri Sea | |
| Hull | Lake Winnipesaukee, | |
| Hunda | The South Isles, | |
| Hundvåg | Øyane archipelago, Stavanger municipality, Rogaland | |
| Huney | ||
| Hurricane | Illinois River, | |
| Hurricane | Ohio River, | |
| Hvar | ||
| Hven | ||
| Hydra | Saronic Islands |