| Subject | English | Norwegian (Nynorsk) |
| light. | high-beam headlight | fjernlys |
| comp., MS | High Contrast | høgkontrast (A feature that heightens the color contrast of some text and images on your computer screen, making those items more distinct and easier to identify) |
| comp., MS | high-definition DVD | HD-DVD (A high definition optical disc format which uses a smaller focus blue-violet 405 nm laser allowing higher precision and storage density. A competitor to Blu-ray Disc) |
| comp., MS | high-definition multimedia interface | High-Definition Multimedia Interface (A digital interface specification for delivering digital content and connecting consumer electronic devices) |
| comp., MS | high-density multichip interconnect | High-Density Multichip Interconnect (A digital interface specification for delivering digital content and connecting consumer electronic devices) |
| el., sec.sys. | high impedance differential protection | høgimpedans differensialvern |
| comp., MS | high importance | høg vekt (A flag that can be set for Lync and Communicator calls or instant messages to indicate the urgency of the conversation) |
| light. | high intensity discharge lamp | høytrykksutladningslampe |
| immigr. | High-Level Working Group on Asylum and Migration | hognivagruppa for asyl og migrasjon |
| comp., MS | high-low lines | differanseliner (In 2-D line charts, lines that extend from the highest to the lowest value in each category. High-low lines are often used in stock charts) |
| light. | high pressure mercury vapour lamp | høytrykkskvikksølvdamplampe |
| light. | high pressure sodium vapour lamp | høytrykksnatriumdamplampe |
| el., sec.sys. | high resistance fault | høgresistiv kortslutning |
| el., sec.sys. | high resistance fault | høg-ohmig kortslutning |
| comp., MS | high-trust app | høgklarert app (An app that uses the server-to-server (S2S) protocol, where the app is responsible for creating the user portion of the access token, and therefore is trusted to assert any user identity) |
| transf. | high-voltage winding | høgspenningsvikling |
| immigr. | United Nations High Commissioner for Refugees | FNs hogkommissar for flyktningar |