- lo-cal
- local anaesthetic
- local anesthetic
- local area network
- local authority
- local color
- local colour
- local-content
- locale
- local examinations
- local government
- Local Group
- localism
- localite
- locality
- localization
- localize
- local loan
- locally
- locally compact space
- locally Euclidean space
- locally finite set
- local mean time
- local option
- local oscillator
- local preacher
- local sign
- local standard of rest
- local time
- local wind
- local yokel
- Locarno
- Locarno Pact
- locate
- Locatelli
- location
- locative
- locator
- locavore
- loch
- Lochaber ax
- lochan
- loche
- Lochearn
- lochia
- Lochinvar
- Loch Linnhe
- Loch Ness
- Loch Ness monster
- Loch Ness Monster
- Loch Raven
- lochus
- loci
- lock
- lock, stock, and barrel
- lockable
- lockage
- lock bay
- lockbox
- lockdown
- Locke
- Locke, John
- Lockean
- locked and loaded
- locked bowels
- locked in
- locked-in syndrome
- locker
- Lockerbie
- Locker-Lampson
- locker plant
- locker room
- locker-room
- locket
- lockfast
- Lockhart
- lock horns
- lock in
- lock-in
- locking piece
- locking plate
- locking pliers
- lockjaw
- locknut
- lock nut
- lock on to
- lockout
- lock out
- lockpick
- Lockport
- lock rail
- lockram
- lock seam
- lockset
- locksmith
- lockstep
- lock stitch
- lock the barn door after the horse has bolted
- lockup
- lock up
- lock washer
- Lockwood
- Lockwood home
- Lockyer
- loco
- loco citato
- loco disease
- Locofoco
- Locofocoism
- locoism
- locoman
- locomobile
- locomote
- locomotion
- locomotive
- locomotive engineer
- locomotor
- locomotor ataxia
- loco primo citato
- loco supra citato
- locoweed
- Locrian
- Locris
- locular
- locule
- loculicidal
- loculus
- locum tenens
- locus
- locus classicus
- locus in quo
- locus sigilli
- locus standi
- locust
- locust bean
- locust bird
- locust years
- locution
- locutionary
- locutionary act
- locutorium
- locutory
- Lod
- lode
- loden
- lodestar
- lodestone
- lodge
- Lodge
- lodged
- Lodgepole Creek
- lodgepole pine
- lodger
- lodging
- lodging house
- lodging knee
- lodgings
- lodging turn
- lodgment
- Lodi
- lodicule
- loe
- Loeb
- Loeffler
- loerie
- loess
- Loesser
- Loew
- Loewe
- Loewi
- Loewy
- Löffler
- lo-fi
- Lofn
- Lofoten and Vesterålen
- Lofoten Islands
- loft
- loft building
- loftily
- Lofting
- lofting iron
- loftsman
- lofty
- log
- log-
- log.
- logagraphia
- logan
- Logan
- loganberry
- logania
- loganiaceous
- logania family
- Logansport
- logan stone
- logaoedic
- logarithm
- logarithmic
- logarithmic function
- logbook
- log chip
- loge
- loggan stone
- logger
- loggerhead
- loggerheads
- loggerhead shrike
- loggerhead turtle
- loggets
- loggia
- logging
- logging stone
- Logi
- logia
- logic
- logical
- logical atomism
- logical consequence
- logical constant
- logical construction
- logical form
- logically
- logically possible
- logical operation
- logical operator
- logical positivism
- logical positivist
- logical sum
- logical syntax
- logical truth
- logic array
- logic bomb
- logic cell
- logic circuit
- logic gate
- logician
- logicism
- logicize
- logic level
- logic programming
- Logie
- login
- log in
- logion
- logistic
- logistically
- logistic curve
- logistician
- logistics
- logjam
- log jam
- logline
- loglog
- log-log
- lognormal
- logo
- LOGO
- logo-
- logocentrism
- log of wood
- logogram
- logograph
- logographic
- logography
- logogriph
- logomachy
- logopaedics
- logopedics
- logophile
- logophobia
- logorrhea
- logorrhoea
- logos
- Logos
- logotype
- log out
- logperch
- log reel
- logroll
- logrolling
- Logroño
- log ship
- logway
- logwood
- logy
- lohan
- Lohengrin
- loiasis
- loid
- loin
- loincloth
- loins
- Loire
- Loire-Atlantique
- Loiret
- Loir-et-Cher
- Lois
- loiter
- loitering
- Loja