- H
- H&K G3
- H&K PSG1
- H&M
- H-19
- H-19 Chickasaw
- H-4
- H-4 Hercules
- H-Bio
- H.248
- H.264
- H.323
- H.B.Guppy
- H.B.K.
- H.B. Warner
- H.Bock
- H.C.Bold
- H.C.Watson
- H.E.Bigelow
- H.E.L.P.
- H.F.Copel.
- H.G.Wells
- H.G. Wells
- H.J.Coste
- H.J.Lam
- H.Karst.
- H.L.A. Hart
- H.L.Wendl.
- H.M.T.D
- H.Moseley
- H.Müll.
- H.N.I.C.
- H.O.Forbes
- H.P. Lovecraft
- H.P Lovecraft
- H.Perrier
- H.Rob.
- H.Wendl.
- H. B. Warner
- H. Beam Piper
- H. C. Hansen
- H. David Politzer
- H. Davy
- H. G. Ewers
- H. G. Francis
- H. G. Wells
- H. Gobind Khorana
- H. H. Asquith
- H. H. Dixon
- H. J. Mulliner & Co.
- H. J. R. Murray
- H. L. A. Hart
- H. L. Mencken
- H. Low
- H. P. Blavatsky
- H. P. Lovecraft
- H. R. Giger
- H. R. Haggard
- H. Rider Haggard
- H. S. Ashmore
- H. Sibth.
- H. Stern
- H. Upmann
- H. pernambucensis
- H. sapiens
- H2
- H20: Just Add Water
- H20H
- H20H!
- H2A
- H2B
- H2CO3
- H2GO
- H2O
- H2O2
- H2O: Just Add Water
- H2OH
- H2OH!
- H2Oh!
- H2R
- H2S
- H2SO4
- H3
- H323
- H3PO4
- H4
- H4 Hercules
- H5
- H5N1
- HA
- HA-1
- HAARP (álbum)
- HACCP
- HAHO
- HAL
- HALO (técnica militar)
- HALO Trust
- HAL (software)
- HAL 9000
- HAL Laboratory
- HANS
- HARD-Fi
- HAREM
- HAS
- HB-350
- HB-355
- HBIGDA
- HBO
- HBO+
- HBO2
- HBO 2 Brasil
- HBO Brasil Partners
- HBO Family
- HBO Latin America Group
- HBO Mundi
- HBP
- HBS
- HB (programa de televisão)
- HB 350
- HB 355
- HC
- HCB
- HCCI
- HCESAR
- HCG
- HCG 87
- HCL
- HCN
- HC Tucker
- HC da Unicamp
- HCl
- HD
- HD-DVD
- HD-SDI
- HDI-Arena
- HDL
- HDMI
- HDRI
- HDRR
- HDSL
- HDTV Ready
- HD 107146
- HD 188753
- HD 189733 b
- HD 209458
- HD 209458 b
- HD 209458b
- HD 49674
- HD 93083
- HD 98800
- HD DVD
- HD Photo
- HD Ready
- HD VMD
- HD ready
- HE
- HESS
- HESS (desambiguação)
- HETE
- HETE-2
- HF
- HFC
- HFS
- HFS+
- HGC
- HGePA
- HH-60H
- HHGG
- HI
- HIAG
- HIGH and MIGHTY COLOR
- HIM
- HISASHI
- HIStory: Past, Present & Future
- HIStory: Past, Present and Future, Book I
- HIStory: Past Present & Future
- HIStory World Tour
- HITEC City
- HIT & FUN
- HIT Entertainment
- HIV-integrase
- HIV test
- HK-21
- HK-MP5
- HK11
- HK11A1
- HK11E
- HK13
- HK13E
- HK21A1
- HK21E
- HK23
- HK23E
- HK33
- HKG3
- HKMP5
- HK 33
- HK G3
- HK G36
- HK G3A1
- HK G3A2
- HK G3A3
- HK G3A4
- HK G3A5
- HK G3A6
- HK G3A7
- HK G3SG/1
- HL
- HL7
- HLA
- HLBR
- HMF
- HMHS Britanic
- HMHS Britannic
- HMMWV
- HMOX1
- HMS
- HMS Adventure (1771)
- HMS Beagle
- HMS Bounty
- HMS Courageous (50)
- HMS Dreadnought (1906)
- HMS Dreadnought (desambiguação)
- HMS Exeter (68)
- HMS Fort York
- HMS Furious (47)
- HMS Glorious
- HMS Glorious (77)
- HMS Grafton (H89)
- HMS Hood (1918)
- HMS Hood (51)
- HMS Indomitable (1907)
- HMS Inflexible (1907)
- HMS Investigator (1798)
- HMS Invincible
- HMS Invincible (1907)
- HMS Juno (F46)
- HMS King George V (41)
- HMS Norfolk
- HMS Norfolk (78)
- HMS Ocean
- HMS Pallas (1757)
- HMS Prince of Wales
- HMS Queen Mary
- HMS Renown
- HMS Renown (72)
- HMS Repulse
- HMS Repulse (34)
- HMS Resolution
- HMS Resolution (1771)
- HMS Royal Oak (08)
- HMS Suffolk
- HMS Suffolk (55)
- HMS Tiger (1913)
- HMS Vengeance
- HMS Victory
- HMX-1
- HND
- HNK Hajduk Split
- HNO3
- HO
- HO4S
- HOBART
- HOK
- HOK S+V+E
- HOMA
- HOMR
- HOWTO
- HP
- HP-11C
- HP-12C
- HP-85
- HP-86
- HP-87
- HP-IB
- HP-UX
- HP49G+
- HPB
- HPFS
- HPV
- HP 12C
- HP 12C Financeira
- HP 85
- HP Compaq
- HPa
- HPod
- HQ
- HQL
- HR
- HR100
- HRACF
- HRDM
- HRD Antuérpia
- HRM
- HRPP
- HRS
- HR 8210
- HS
- HS-1
- HS-125
- HS1
- HSB
- HSBC
- HSBC Holdings PLC
- HSDPA
- HSH Nordbank Arena
- HSM
- HSM 2
- HSP
- HSPA desenvolvido
- HSQLDB
- HSV
- HS 125
- HS QLDB
- HSbF6
- HT
- HTC–Highroad
- HTML
- HTML Dinâmico
- HTML dinâmico
- HTPC
- HTTP 404
- HTTP cookie
- HU
- HUB
- HUD
- HUMINT
- HUNK
- HVHY
- HVM Racing
- HWA
- HWA AG
- HWV
- HYIP
- HZ
- H (desambiguação)
- H (programa)
- H bio
- Ha
- Ha-Avoda
- Ha-Tizmoret ha-Filharmonit ha-Yisre'elit
- HaShem
- HaShomer Hatzair
- Ha (kana)
- Ha Giang