| Hakea | Hakea dactyloides | Hakea gibbosa |
| Hakea salicifolia | Hakea sericea | Hakea suaveolens |
| Hakeem Olajuwon | Hakeem Shaker | Haketia |
| Hakim Ben Hammouda | Hakim ibn Hizam | Hakim Noury |
| Hakim Qeshlaqi | Hakim Tafer | Hakimabad, Fariman |
| Hakimabad, Golestan | Hakimullah Mehsud | Hakkı Altınbezer |
| Hakubun Shimomura | Hakuhō Shō | HAL AMCA |
| Hal Ashby | Hal B. Wallis | HAL Dhruv |
| Hal Holbrook | HAL Laboratory | Hal Roach |
| HAL Tejas | Hala Gorani | Hala Misrati |
| Hala Shukrallah | Hala Sultan Tekke | Halabja chemical attack |
| Halaf culture | Halakha | Halal |
| Halalabad, Abyek | Halberd | Halberstadt |
| Halbur, Iowa | Halcott, New York | Halcyon |
| Halcyon coromanda | Halcyon leucocephala | Halcyon pileata |
| Halcyon smyrnensis | Halcyones | Halcyoninae |
| Halda | Haldan Keffer Hartline | Haldane effect |
| Haldensleben | Hale County, Alabama | Hale, Wisconsin |
| Haleakala Observatory | Hales Corners, Wisconsin | Halesia |
| Halesia carolina | Halesia diptera | Halesia hispida |
| Halesia hispidus | Halesia macgregorii | Halesia meehanii |
| Halesia reticulata | Halesia stenocarpa | Halesia ternata |
| Halesia tetraptera | Haley Bennett | Haley Hudson |
| Haley Joel Osment | Half note | Half-cell |
| Half-life | Half-Life (series) | Half-Life (video game) |
| Half-Life 2 | Half-Life 2: Episode One | Half-Life 2: Episode Two |
| Half-life2 | Half-reaction | Halfaouine Child of the Terraces |
| Halfaya massacre | Halfmoon, New York | Halford Mackinder |
| Halfway, Missouri | Halfway, Oregon | Halgurd Mulla Mohammed |
| Hali Akhund | Haliaeetus | Haliaeetus albicilla |
| Haliaeetus leucocephalus | Haliaeetus leucogaster | Haliaeetus leucoryphus |
| Haliaeetus vocifer | Haliastur indus | Halide |
| Halide Edip Adıvar | Halifax, Massachusetts | Halifax, Vermont |
| Halifax, Virginia | Halikoti, Amol | Halil Altıntop |
| Halil İnalcık | Halil Ergün | Halilu |
| Halim Barakat | Halim Benmabrouk | Halim Malkoć |
| Halima Hachlaf | Halimede (moon) | Halimium |
| Halimium alyssoides | Halimium atlanticum | Halimium atriplicifolium |
| Halimium brasiliense | Halimium commutatum | Halimium halimifolium |
| Halimium lasianthum | Halimium lasiocalycinum | Halimium ocymoides |
| Halimium umbellatum | Halimium verticillatum | Halinghen |
| Haliotis | Haliotis mariae | Haliphron atlanticus |
| Halit Ergenç | Halite | Halitosis |
| Hall | Hall effect | Hall of fame |
| Hall Park, Oklahoma | Hall Pass | Hallaca |
| Hallaj Mahalleh | Hallam, Nebraska | Halldór Laxness |
| Halle Berry | Hallelujah | Hallensia |
| 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 |
