Similar to 玉川宮
 - GTW (鉄道車両)Stadler GTW
 - Gδ集合Gδ set
 - H&K HK416Heckler & Koch HK416
- H&K HK417Heckler & Koch HK417
 - H&K VP70Heckler & Koch VP70
- H.245H.245
 - H.264Advanced Video Coding
 - H.323H.323
 - Highly Accelerated Life TestHighly accelerated life test
 - HD 10180の惑星
 - HD 167042HD 167042
 - HD-PLCHD-PLC
 - He 177 (航空機)Heinkel He 177 Greif
 - HERO'S KOREA 2007
 - HibernateHibernate (framework)
 - HIP 13044HIP 13044
 - HOLON Linux
 - HP SaturnHP Saturn
 - HP200LXHP 200LX
 - HQ-61 (ミサイル)HQ-6
 - Hydnellum peckiiHydnellum peckii
 - H級戦艦H-class battleship proposals
 - I-17 (航空機)Polikarpov I-17
 - I-185 (航空機)Polikarpov I-185
 - IAR-93 (航空機)IAR-93 Vultur
- IBM産業スパイ事件
 - IBurstIBurst
 - ICAO空港コードの一覧/AList of airports by ICAO code: A