| HIS | Halt in Impossible State 
| Others |
| HIS | Hands In Service
| Others |
| HIS | Hayman Island, Queensland, Australia
| Others |
| HIS | Health Informatics Service
| Others |
| HIS | Health Information Service
| Others |
| HIS | Health Information Services
| Others |
| HIS | Health Information System
| Others |
| HIS | Health Interview Survey, sponsored by the National Institutes of Health (USA)
| Others |
| HIS | Healthcare Improvement Scotland (NHS)
| Others |
| HIS | Healthcare Infection Society
| Others |
| HIS | Healthcare Information System
| Others |
| HIS | Hearing Instrument Specialist
| Others |
| HIS | Heat Inactivated Serum
| Others |
| HIS | Heavy Iron Studios
| Others |
| HIS | Hegazy Industrial Services
| Others |
| HIS | Heller Information Services
| Others |
| HIS | Help In School
| Others |
| HIS | HELP International School
| Others |
| HIS | Hemodilution In Stroke study
| Others |
| HIS | Here I Stand
| Others |
| HIS | Hersteller Initiative Software
| Others |
| HIS | High Intensity Spectrometer
| Others |
| HIS | High Speed Interconnect
| Others |
| HIS | High Speed Signaling
| Others |
| HIS | High-resolution Interferometer Spectrometer
| Others |
| HIS | Highest International Standard
| Others |
| HIS | Highest International Standards
| Others |
| HIS | Highland Industrial Supplies
| Others |
| HIS | Hindi Indian Stage
| Others |
| HIS | Histamine
| Others |
| HIS | histology
| Others |
| HIS | Historical Vehicle
| Others |
| HIS | History of executing/ viewing/ editing
| Others |
| HIS | Hitech Information Systems
| Others |
| HIS | HIV Incidence Surveillance
| Others |
| HIS | Home Improvement Salesperson
| Others |
| HIS | Home Information Systems
| Others |
| HIS | Home Internet Solution
| Others |
| HIS | Home Inventory System
| Others |
| HIS | Honour Integrity Spirit
| Others |
| HIS | Horizontal Impact Sensor
| Others |
| HIS | Horizontal Situation Indicator
| Others |
| HIS | Hormones In Stroke study
| Others |
| HIS | Hospice Item Set
| Others |
| HIS | Hospital Information System
| Others |
| HIS | Hospital Information Systems
| Others |
| HIS | Host Integration Server
| Others |
| HIS | Hue Intensity and Saturation
| Others |
| HIS | Hue, Intensity, and Saturation
| Others |
| HIS | Human Instruction Set
| Others |
| HIS | Human Systems Integration
| Others |
| HIS | Human Systems Interface
| Others |
| HIS | Hungarian Isradipine Study
| Others |
| HIS | Hurricane Intermediate School
| Others |
| HIS | Hybrid Intelligent Systems
| Others |
| HIS | Hydraulischer Impuls Speicher
| Others |
| HIS | Hydrologic Information System
| Others |
| HIS | Hyperspectral Imagery
| Others |
| HIS | Hyperwave Information Server
| Others |