- keyed advertising
- keyman insurance
- Keynesian multiplier
- keystone pricing
- kibbled beans
- kibbled grain
- kickback
- kicker
- kid
- kidney bean
- kidney enucleating
- kidney knob
- kilderkin
- killer
- killing capacity
- killing chain
- killing department
- killing fat
- killing hammer
- killing line
- killing mask
- killing power
- kiln
- kiln drier
- kiln floor
- kiln surface
- kiln turn
- kilocalorie
- kilolitre
- kilometre
- kilovolt
- kilowatt
- king-crab
- king-size
- king-sized
- kingpin
- kiosk
- kip
- kipper
- kitchenette
- kite flier
- kite-mark
- kiteflyer
- kiting
- kiting cheque
- kitty
- Kjeldale method
- klondike
- knead
- kneader
- kneading table
- kopeck
- Korea
- Kosher sausage
- Koych transformation
- kraut filler
- krona
- kruger rand
- kuban
- kumiss
- kurtosis
- Kuznets cycle
- label clause
- label holder
- label paste
- label remover
- label renovation
- labeling machine
- labeller
- labels insurance
- labile
- lability
- Labor Administration
- labor court
- labor union
- laboratorial
- laboratory examination
- labour
- labour agreement
- labour arbitration
- labour banks
- labour capacity
- labour charges
- labour code
- labour condition
- labour contract
- labour cost
- labour costs
- Labour Day
- labour demand
- labour disputes
- labour disturbance
- Labour economics
- labour exchange
- labour fee
- labour flexibility
- labour flux
- labour force
- Labour government
- labour grade