- L
- L&R
- L/M
- l33t
- L8TR
- L?^
- L@U
- LA
- LABATYD
- lackfo
- ladder bypass
- LAFW
- lag or lagging
- LAGNAF
- LAGO
- lamer
- LAMP stack
- LAN
- land line
- landing page
- language
- LANlord
- lanyard
- LAOJ
- laptop
- laptop nomad
- LAQ
- Larry the Bird
- lasagna syndrome
- last mile
- last-mile problem
- latency
- later stage
- Latinx
- latte town
- launch
- Laurel or Yanny
- lawnmower parent
- laymanise
- LB
- LB?W/C
- LBH
- LBR and LGR
- LBS
- LBUG or LBIG
- LCD
- LD
- LDAP
- LDIMEDILLIGAF
- LDR
- LDTTWA
- leading
- leaky reply
- learning opportunity
- learning portal
- leased line
- leetspeak
- left unread
- legacy
- legacy business
- legacy footprint
- legacy media
- legacy system
- LESM
- level set
- leverage
- leveraged buyout
- leveraged flyout
- LF
- LFL
- LFTI
- LFU
- LG
- LGBT
- LGBTQ+
- LGGBDTTTIQQAAPP
- LGMAS
- LGTM
- LGY
- LH
- LH6
- LHK
- LHM
- LHO
- LHOS
- LHSO
- LHU
- LIB
- libtard
- lick your lips
- life support
- lifestreaming
- LIFO
- LIG
- like
- link
- link burst
- link checker
- link churn
- link farm
- link juice
- link popularity
- link rot
- linkbaiting
- linkrot
- LINS
- Linux
- liquidation
- liquidity
- liquidity event
- LIR
- LIS
- listen
- listicle
- LISTSERV
- lit
- little r
- live
- live chat
- LJBF
- LKITR
- LL
- llama
- LLAP
- LLM
- LLOM
- LLT
- LLTA
- LLY
- LM46
- LM4a~##zzzz>
- LMAO
- LMBAO
- LMBPO
- LMDS
- LMFAO
- LMFO
- LMHO
- LMIRL
- LMK
- LMKHTWOFY
- LMOA
- LMP
- LMR
- LMS
- LMSO
- LMTA
- LMTC
- LMTCB
- LNP
- lo
- load
- LOAL
- LOB
- Local Area Network
- local computer
- location-based advertising
- location-based entertainment
- location-based service
- locator watch
- log
- log file
- login or log in
- LOGO
- logoff
- LOK
- LOL
- LOL WUSS
- LOLA
- Lolcat
- loller
- LOLOLOL
- LOLPMP
- LOLROTF&ICGU
- LOLZ
- LOMBARD
- LOML
- lonelygirl15
- long domain name
- longitudinally
- LONH
- looking for Mr. GoodVar
- looky-loo
- LOOL
- LOOMM
- looping
- LOPSOD
- LORE
- Lorem Ipsum
- loser error
- losing your virginity
- LOU
- loud budgeting
- LOVE
- low key
- low-hanging fruit
- low-tech
- lowbrow
- LPC
- LPOS
- LRF
- LRT
- LSB
- LSHITIPAL
- LSHMBH
- LSP
- LSV
- LTF
- LTHTT
- LTIC
- LTIO
- LTM
- LTNS
- LTNT
- LTOTD
- LTR
- LTRP
- LTS
- LTTIC
- LU
- luddite
- LuK
- LULU
- lulz
- lumbersexual
- lumpy
- LUMTP
- LUMU
- LUMUMI
- lurk
- lurker
- luser
- LUSM
- luv
- LViewPro
- LVL
- LWR
- LWU
- LWYS
- LY
- LY4E
- LYA
- LYAAF
- LYB
- LYCYLBB
- LYKYAMY
- LYL
- LYLAB
- LYLAS
- LYLB
- LYMI
- Lynx
- LYS
- LYSOUAQ
- LYSYB
- LYWAMH
