K
- Kennels
- Kerosene – see Fuel and power
- Key person policies
- Key-person insurance
- Keydata Investment Services Ltd
- Kidnap, ransom and extortion
- Kidney units
- Killed in war exemption – see Death on active service
- Kiosks
- Kitchen fittings
- Kitchens
- Knitting patterns
- Know-how
- Know-how allowances
- Knowledge transfer partnership (KTP) scheme
- Knowledge-intensive companies
- Known underassessment penalty
- KPMG report
- Kyrgyzstan
