| Subject | English | Norwegian Bokmål |
| immigr. | country of first asylum | første asylland |
| math. | error of first kind | forkastingsfeil |
| gen. | first assistant professor | førsteamanuensis |
| immigr. | first asylum principle | første asylland |
| comp., MS | first boot | første oppstart (A phase of Windows Setup that starts the first time an end user boots Windows) |
| immigr. | first country of asylum | første asylland |
| math. | first digit distribution | første siffer distribusjon |
| comp., MS | First Expiry First Out A method used for determining the order in which goods should be taken out of inventory, so that items with the earliest expiration dates are taken first | FEFO (først utløpt, først ut) |
| comp., MS | first in | first in |
| comp., MS | first in | først ut |
| comp., MS | first in | first out-metode for lagervurdering |
| comp., MS | first in | først inn |
| math. | first limit theorem | Lévys teorem |
| gen. | first name | fornavn |
| comp., MS | First Name | Fornavn (In the Add a Contact Wizard, one of the fields by which you can search for a contact) |
| comp., MS | first name | fornavn (The given name for an individual) |
| comp., MS | first out | først inn (A method for processing a queue in which items in the queue are removed in the same order in which they were added) |
| comp., MS | first out | først ut (A method for processing a queue in which items in the queue are removed in the same order in which they were added) |
| comp., MS | first out inventory valuation method | first out-metode for lagervurdering (A method of inventory valuation in which inventory is assumed for accounting purposes to move in the order it was received, regardless of its actual physical movement) |
| comp., MS | first out inventory valuation method | first in (A method of inventory valuation in which inventory is assumed for accounting purposes to move in the order it was received, regardless of its actual physical movement) |
| math. | first passage time | inngangen gang |
| math. | first passage time | første passasje gang |
| math. | first return time | første tilbake gang |
| scub. | first stage | Førstetrinn |
| math. | first stage unit | primær utvalgsenhet |
| math. | first stage unit | primær stikkprøveenhet |
| comp., MS | last in, first out inventory valuation method | last in, first out-metode for lagervurdering (An inventory valuation method in which inventory that is received most recently is considered sold or used first for accounting purposes) |
| comp., MS | open shortest path first | Open Shortest Path First (A routing protocol for Internet Protocol (IP) networks. OSPF allows a router to calculate the shortest path to each node for sending messages. The router sends information on the nodes it is linked to, called link-state advertisements, to other routers on the network to accumulate link-state information to make its calculations) |