l
- L
- L&R
- L/M
- l33t
- L8R
- L?^
- LABATYD
- ladder bypass
- LAFW
- lag or lagging
- LAGNAF
- lamer
- LAN
- land line
- landing page
- language
- Lanier, Jaron
- LANlord
- lanyard
- LAOJ
- laptop
- laptop nomad
- LAQ
- Larry the Bird
- lasagna syndrome
- last mile
- last-mile problem
- latency
- later stage
- latte town
- launch
- laymanise
- LB?W/C
- LBR and LGR
- LBS
- LBUG or LBIG
- LCD
- LD
- LDAP
- LDIMEDILLIGAF
- LDR
- LDTTWA
- leading
- leaky reply
- learning opportunity
- learning portal
- leased line
- leetspeak
- legacy
- legacy business
- legacy media
- legacy system
- level set
- leverage
- leveraged buyout
- leveraged flyout
- Levine, Gerald
- Levinson, Jay Conrad
- Levitt, Theodore
- LF
- LFTI
- LFU
- LGBT
- LGMAS
- LH6
- LHK
- LHM
- LHO
- LHOS
- LHSO
- LHU
- LIB
- lick your lips
- life support
- lifestreaming
- LIFO
- like
- link
- link burst
- link checker
- link churn
- link farm
- link juice
- link popularity
- link rot
- linkbaiting
- linkrot
- Linux
- liquidation
- liquidity
- liquidity event
- LIS
- listen
- listicle
- LISTSERV
- little r
- live
- live chat
- LJBF
- LKITR
- llama
- LLAP
- LLOM
- LLT
- LLTA
- LM46
- LM4a~##zzzz>
- LMAO
- LMBAO
- LMBPO
- LMDS
- LMFAO
- LMHO
- LMIRL
- LMK
- LMKHTWOFY
- LMOA
- LMS
- LMSO
- LMTA
- LMTC
- LMTCB
- LNP
- load
- LOB
- Local Area Network
- local computer
- location-based advertising
- location-based entertainment
- location-based service
- locator watch
- log
- log file
- login or log in
- logoff
- LOK
- LOL
- LOL WUSS
- LOLA
- Lolcat
- LOLROTF&ICGU
- LOLZ
- LOMBARD
- LOML
- lonelygirl15
- long domain name
- longitudinally
- LONH
- looking for Mr. GoodVar
- looky-loo
- LOOL
- looping
- LOPSOD
- LORE
- Lorem Ipsum
- loser error
- losing your virginity
- LOU
- LOVE
- Lovelace, Ada
- low-hanging fruit
- low-tech
- lowbrow
- LPC
- LPOS
- LRF
- LSB
- LSHITIPAL
- LSHMBH
- LSP
- LSV
- LTHTT
- LTIC
- LTIO
- LTM
- LTNS
- LTNT
- LTR
- LTS
- LTTIC
- luddite
- LULU
- lulz
- lumpy
- LUMTP
- LUMU
- LUMUMI
- lurk
- lurker
- luser
- LUSM
- LViewPro
- LWR
- LWYS
- LY
- LY4E
- LYA
- LYB
- Lycos
- LYCYLBB
- LYKYAMY
- LYL
- LYLAB
- LYLAS
- LYLB
- LYMI
- Lynx
- LYWAMH