- L -- Laugh
- L2 -- Learn To
- L2M -- Listening To Music
- L2P -- Learn To Play
- L2R -- Learn to Read
- L33T -- Elite
- L8 -- Late
- L8ER, L8R -- Later
- LAFS -- Love At First Sight
- LAG -- Slow response
- LAL -- Laughing A Lot, Laughing A Little
- LAM -- Leave A Message
- LAMER -- Annoying person
- LAN -- Local Area Network
- LARP -- Live Action Role Play
- LATERS, LATERZ -- See you later, goodbye
- LATM -- Laughing At The Moment
- LBDN -- Look Busy Doing Nothing
- LBR -- Loser Beyond Repair
- LBS -- Pounds
- LD -- Link Dead
- LDA -- Long Distance Affair
- LE -- Law Enforcement
- LED -- Light Emitting Diode
- LEES -- Very Attractive Man or Woman
- LEGIT -- Real, legal
- LEMME -- Let Me
- LEO -- Law Enforcement Officer
- LF -- Looking For
- LF1M -- Looking For One More
- LFG -- Looking For Group
- LFM -- Looking For More
- LFP -- Looking For Party
- LFTSU -- Look Forward To Seeing You
- LFW -- Looking For Work
- LG -- Little Girl
- LH -- Living Hell
- LHH -- Laughing Hella Hard
- LHM -- Lord Have Mercy, Lord Help Me
- LI -- Laughing Inside
- LIC -- Like I Care
- LIFO -- last In First Out
- LIG -- Let It Go
- LIL -- Little
- LIMB -- Laughing In My Brain
- LIMH -- Laughing In My Head
- LIS -- Laughing In Silence
- LIU -- Look It Up
- LL -- Laugh Loudly
- LLAP -- Live Long and Prosper
- LM -- Loud Mouth
- LMA, LMO -- Leave Me Alone
- LMAM -- Leave Me A Message
- LMAP -- Leave Me Alone Please
- LMC --Let Me Check, Let Me See
- LMFO -- Laughing My Face Off
- LMHO -- Laughing My Head Off
- LMIRL -- Let's Meet In Real Life
- LMK -- Let Me Know
- LML -- Love My Life
- LMNO -- Leave My Name Out , Laughing My Nuts Off
- LMSO -- Laughing My Socks Off
- LMT -- Let Me Think
- LMTAL -- Let Me Take A look
- LO -- Hello
- LOA -- Leave of Absence
- LOB – Throw, Line Of Business
- LOI -- Laughing On the Inside
- LOL -- Laughing Out Loud
- LOLAK -- Lots Of Love And Kisses
- LOLOL -- Lots Of Laughing Out Loud
- LOLZ -- Laugh Out Loud (with sarcasm)
- LOML -- Love Of My Life
- LOOL -- Laughing Outlandishly Out Loud
- LOP -- Stupid person
- LOQ -- Laugh Out Quietly
- LORL -- Laugh Out Really Loud
- LOTI -- Laughing On The Inside
- LOVL -- Laughing Out Very Loud
- LQ – Liquor, Lover's Quarrel
- LQI -- Laughing Quietly Inside
- LQTM, LQTMS --Laughing Quietly To Myself
- LQTY -- Laughing Quietly To Yourself
- LS – Lovesick, Life Story
- LSE -- Low Self-Esteem
- LSH -- laughing so hard
- LSHMBH -- Laughing So Hard My Belly Hurts
- LSI -- Limited Social Interaction
- LSMIH -- Laughing So Much It Hurts
- LTIC -- Laugh Till I Cry
- LTL -- Living The Life
- LTM -- Laughing To Myself
- LTMQ -- Laughing To Myself Quietly
- LTNC -- Long Time No Chat
- LTNS -- Long Time No See
- LTR -- Long term relationship
- LU, LY -- Love You
- LUA -- Love You Always
- LUL -- Lame Uncomfortable Laugh
- LULAB, LYLAB -- Love You Like A Brother
- LULAS, LYLAS -- Love You Like A Sister
- LUSM, LYSM -- Love You So Much
- LUV -- Love
- LVL -- Level
- LW -- Lucky Win
- LWKM -- Laugh Wan Kill Me
- LWM -- Laugh With Me
- LWP -- Laughing With Passion
- LY2, LYT-- Love You Too
- LYAAF -- Love You As A Friend, Love You Always And Forever
- LYB -- Love You, Bye
- LYF -- Love You Forever
- LYK -- Let you know
- LYL -- Love You Lots
- LYLAF -- Love You Like A Friend
- LYLMB -- Love You Like My Brother
- LYLT -- Love You Long Time
- LYM -- Love You More
- LYMYWY -- Love You, Miss You, Want You
- LYR -- Love You Really
