 | Hachure |
 | Hachured Contour |
 | Hacker |
 | Half Life |
 | Halftone Image |
 | Halo |
 | Hamiltonian Circuit |
 | Hamiltonian Path |
 | Hamper |
 | Handbook |
 | Handle |
 | Handling Charge |
 | Handshaking |
 | Hand-Stamped Cancellation |
 | Hanedashi |
 | Hang the Rack |
 | Hansei Event |
 | Hard Bounce |
 | Hard Copy |
 | Hard Disk |
 | Hards |
 | Hard Savings |
 | Hardware Authenticator |
 | Hardware Key |
 | Hardware Node |
 | Harmonization |
 | Hash / Hashing / Hash Algorithm |
 | Hatch Class |
 | Hatch Definition |
 | Hatches |
 | Hatching |
 | Hatch Style |
 | Hawthorne Effect / Hawthorn Effect |
 | Hazardous Material |
 | Hazardous Waste |
 | Header |
 | Heading |
 | Headline |
 | Head of Family |
 | Head-out |
 | Headquarters |
 | Heads-Up Digitizing |
 | Healthcare Interpreting |
 | Health Insurance Portability and Accountability Act (HIPAA) |
 | Heap |
 | Heat Transfer |
 | Heavy |
 | Hectare |
 | Height |
 | Heijunka |
 | Heimert Transformation |
 | Help |
 | Help Desk |
 | Help Desk Administrator |
 | Hemisphere |
 | Heterogeneous Database Integration |
 | Heterogeneous Systems |
 | Heuristic / Heuristics |
 | Heuristic Data Cleansing |
 | Hexadecimal |
 | Hidden complaint |
 | Hidden Factory, The |
 | Hidden information factory |
 | Hierarchical Database |
 | Hierarchical Database |
 | Hierarchy |
 | Hierarchy / Hierarchies / Hierarchical Relationships |
 | Hierarchy Management |
 | High Accuracy Reference Network (HARN) |
 | High Availability |
 | High-Demand Languages (HDL) |
 | High-Level Enterprise Model |
 | High-Level Language |
 | Highlighting |
 | Highly Correlated List (HCL) |
 | Highly Summarised / Highly Summarized Data |
 | High-Pass Filter |
 | High Rise |
 | High School Students |
 | High Ticket Buyers |
 | Highway Contract Route (HCR) |
 | Highway Contract Route Transportation Pay Cycle (HCR-TPC) |
 | Hijacking |
 | Hillshading |
 | Histogram |
 | Histogram |
 | Histogram Equalization |
 | Historical Databases |
 | Historical Perspective |
 | Hit |
 | Holding the gain |
 | Holding Time |
 | Holdout |
 | Hole |
 | Home Business |
 | Home Buyer |
 | Homeland Security Presidential Directive – Number 12 (HSPD-12) |
 | Home Offices |
 | Homeostatis |
 | Home Ownership |
 | Homogeneity of Variance |
 | Homogenization |
 | Homographs |
 | Homonym |
 | Homophones |
 | Honor |
 | Honorific |
 | Hooke's Law |
 | Horizon |
 | Horizon Circle |
 | Horizontal Angle |
 | Horizontal Bars |
 | Horizontal Control |
 | Horizontal Dilution of Precision (HDOP) |
 | Horizontal Geodetic Datum |
 | Horizontal Partitioning |
 | Hoshin planning / Hoshin Kanri |
 | Host |
 | Host-Driven |
 | Hot Case |
 | Hotelling's T2 Model |
 | Hot House |
 | Hotline / Hot Line |
 | Hot Mail |
 | Hot Stamp |
 | House File |
 | Householding |
 | Households |
 | House List |
 | House Mail |
 | House of Quality |
 | HRESULT |
 | HSV |
 | HTML Document |
 | Hub |
 | Hub-and-Spoke |
 | Hub and Spoke Program (HASP) |
 | Hue |
 | Human-Assisted Machine Translation (HAMT) |
 | Human-Delivered Service Company |
 | Human error |
 | Human factors |
 | Human Geography |
 | Human Technology Environment |
 | Human Technology Interface (HTI) |
 | Human Translation (HT) |
 | Human Translator |
 | Hydrographic Datum |
 | Hydrographic Survey |
 | Hydrography |
 | Hypbrid OLAP (HOLAP) |
 | Hyper-Cube / Hypercube |
 | Hyperlink |
 | Hypermedia |
 | Hyper Micro Process Map |
 | Hypertext |
 | Hypertext Markup Language (HTML) |
 | HyperText Transfer Protocol (HTTP) |
 | Hypertext Transfer Protocol (Secure) (HTTPS) |
 | Hypocoristic name |
 | Hypothesis Testing |
 | Hypothetical reasoning |
 | Hypsography |
 | Hypsometric Curve |
 | Hypsometric Map |
 | Hypsometric Tinting |
 | Hypsometry |