| Hallett, Oklahoma | Hallgrímur Helgason | Halliday, North Dakota |
| Hallie, Wisconsin | Hallines | Hallock, Minnesota |
| Hallowe'en Party | Halloween (1978 film) | Halloween cake |
| Halloween documents | Halloween II (1981 film) | Halloween III: Season of the Witch |
| Hallowell Davis | Hallowell, Maine | Halloy, Pas-de-Calais |
| Halls, Tennessee | Hallsburg, Texas | Halltown, Missouri |
| Hallucicrania | Hallucigenia | Hallucination |
| Hallux varus | Hallwood, Virginia | Halma, Minnesota |
| Halmahera | Halo | HALO |
| Halo (optical phenomenon) | Halo (series) | Halo 2 |
| Halo 3 | Halo 3: ODST | Halo 4 |
| Halo 5: Guardians | Halo effect | Halo nevus |
| Halo nucleus | Halo Wars | Halo: Combat Evolved |
| Halo: Reach | Halo: Spartan Assault | Haloalkane |
| Haloarcula | Halobacteria | Halobacteriaceae |
| Halobacteriales | Halobacterium | Halobacterium cutirubrum |
| Halobacterium halobium | Halobacterium jilantaiense | Halobacterium noricense |
| Halobacterium piscisalsi | Halobacterium salinarum | Halocin |
| Halocnemum | Halogen | Halogen bond |
| Halogenated ether | Halogenation | Halogeton alopecuroides |
| Halopeplis | Halopeplis amplexicaulis | Halopeplis perfoliata |
| Haloperidol | Halophila | Halophile |
| Halophytes | Haloprogin | Halothamnus |
| Halothamnus bottae | Halothamnus glaucus var. heptapotamicus | Halothamnus heptapotamicus |
| Halothamnus hierochunticus | Halothane | Halotolerance |
| Haloxylon | Haloxylon ammodendron | Haloxylon negevensis |
| Haloxylon persicum | Haloxylon salicornicum | Halqeh Basteh |
| Halqeh Sara | Halsey, Nebraska | Halsey, Oregon |
| Halsey, Wisconsin | Halstad, Minnesota | Halstead complexity measures |
| Halstead, Kansas | Halteres | Halterneck |
| Halu Chak | Halumsar | Haly Abenragel |
| Ham | Ham (chimpanzee) | Ham Eun-jung |
| Ham-en-Artois | Ham-Nord, Quebec | Hama |
| Hamad Abu Rabia | Hamad Al Enezi | Hamad Al Tayyar |
| Hamad Al-Eissa | Hamad Al-Jassir | Hamad Al-Montashari |
| Hamad Al-Sagoor | Hamad Aman | Hamad Amar |
| Hamad bin Isa Al Khalifa | Hamad bin Jabor bin Jassim Al Thani | Hamad bin Jassim bin Jaber Al Thani |
| Hamad bin Khalifa Al Thani | Hamad bin Mohammed Al Sharqi | Hamad International Airport |
| Hamada Ben Amor | Hamada Tolba | Hamadi Jebali |
| Hamamelididae | Hamaneh, Ardakan | Hamartoma |
| Hamartoma - ورم عابي | Hamas | Hamas of Iraq |
| Hamate bone | Hamberg, North Dakota | Hamblain-les-Prés |
| Hamblen County, Tennessee | Hambleton, West Virginia | Hamburg |
| Hamburg (village), New York | Hamburg Airport | Hamburg cell |
| Hamburg Township, Michigan | Hamburg, Arkansas | Hamburg, Iowa |
| Hamburg, Marathon County, Wisconsin | Hamburg, Minnesota | Hamburg, New York |
| Hamburg, Vernon County, Wisconsin | Hamburger–Hamilton stages | HAMC |
| Hamdallah Mustawfi | Hamdan Al-Bishi | Hamdan Al-Hamdan |
| Hamdan Al-Kamali | Hamdan bin Mohammed Al Maktoum | Hamdan bin Rashid Al Maktoum |
| Hamdan bin Zayed bin Sultan Al Nahyan | Hamdeen Sabahi | Hamden, Connecticut |
| Hamden, New York | Hamden, Ohio | Hamdi Al Banbi |
| Hamdi Al Masri | Hamdi al-Pachachi | Hamdi Harbaoui |
| Hamdi Hobais | Hamdi Kasraoui | Hamdi Marzouki |
| Hamdi Qandil | Hamdi Salihi | Hamdy Ahmed |
| Hamed al-Bariqi | Hamed Gohar | Hamed Haddadi |
| Hamed Karoui | Hamed Namouchi | Hameed Youssef |
| Hamel, Illinois | Hamelincourt | Hamersville, Ohio |
| Hames-Boucres | Hameur Bouazza | Hameur Hizem |
| Hami Airport | Hamid al-Ahmar | Hamid al-Din al-Kirmani |
| Hamid Beik Frangieh | Hamid Chabat | Hamid Estili |
| Hamid Ezzine | Hamid Hassani | Hamid Hussain Musavi |
| Hamid Karzai International Airport | Hamid Majid Mousa | Hamid Mir |
| Hamidabad, Anar | Hamidabad, Anbarabad | Hamidabad, Ardabil |
| Hamidabad, Yazd | Hamidian massacres | Hamiduddin Farahi |
| Hamilton (village), New York | Hamilton A. R. Gibb | Hamilton Alexander Rosskeen Gibb |
| Hamilton County, Indiana | Hamilton County, Tennessee | Hamilton O. Smith |
| Hamilton Ricard | Hamilton Township, Clare County, Michigan | Hamilton Township, Gratiot County, Michigan |
| Hamilton Township, Van Buren County, Michigan | Hamilton, Bermuda | Hamilton, Georgia |
| Hamilton, Illinois | Hamilton, Indiana | Hamilton, Iowa |
| Hamilton, Kansas | Hamilton, Montana | Hamilton, New York |
| Hamilton, North Carolina | Hamilton, North Dakota | Hamilton, Ohio |
| Hamilton, Ontario | Hamilton, Virginia | Hamilton, Washington |
| Hamilton, Wisconsin | Hamiltonian (quantum mechanics) | Hamiltonian mechanics |
| Hamiltonian path | Haminu Draman | Hamit Altıntop |
| Hamitic | Hamlabad | Hamler, Ohio |
| Hamlet (1948 film) | Hamlet (place) | Hamlet and His Problems |
| Hamlet, Indiana | Hamlet, Nebraska | Hamlet, North Carolina |
| Hamleys | Hamlin Township, Eaton County, Michigan | Hamlin Township, Mason County, Michigan |
| Hamlin, Kansas | Hamlin, Maine | Hamlin, New York |
| Hamlin, West Virginia | Hamma Hammami | Hammad al-Harrani |
| Hammad Elegans | Hammad ibn Salamah | Hammada |
| Hammadi Ahmad | Hammaguir | Hammam ibn Munabbih |
| Hammam Righa | Hammam, Khuzestan | Hamman's sign |
| Hammanah bint Jahsh | Hammel, Wisconsin | Hammer |
| Hammerfest | Hammock | Hammon, Oklahoma |
| Hammond (village), New York | Hammond organ | Hammond's crunch |
| Hammond's sign | Hammond, Illinois | Hammond, Louisiana |
| Hammond, Maine | Hammond, Minnesota | Hammond, Wisconsin |
| Hammondsport, New York | Hammou Boutayeb | Hamnet Shakespeare |
| Hamont-Achel | Hamood Sultan | Hamoud al Aqla al Shuebi |
| Hamoud al-Gayifi | Hamoud Al-Shemmari | Hamoud Boualem |
| Hamoud Hattar | Hamoudi Mosque | Hamoukar |
| Hampden County, Massachusetts | Hampden, Maine | Hampden, North Dakota |
| Hampden, Quebec | Hampden, Wisconsin | Hampshire County, Massachusetts |
| Hampshire, Illinois | Hampson–Linde cycle | Hampstead, Maryland |
| Hampstead, New Hampshire | Hampstead, Quebec | Hampton Falls, New Hampshire |
| Hampton Township, Michigan | Hampton, Arkansas | Hampton, Connecticut |
| Hampton, Georgia | Hampton, Illinois | Hampton, Iowa |
| Hampton, Minnesota | Hampton, Nebraska | Hampton, New Hampshire |
| Hampton, New York | Hampton, South Carolina | Hampton, Texas |
