| LLL | La Leche League 
| Others |
| LLL | Lack Luster Labs
| Others |
| LLL | LaLeche League
| Others |
| LLL | Landlubbers Loony Lingo
| Others |
| LLL | Languages Literatures and Linguistics
| Others |
| LLL | Laughing Law Librarian
| Others |
| LLL | Lawrence Livermore Laboratories
| Others |
| LLL | Le Leche League
| Others |
| LLL | Learning Language in Logic
| Others |
| LLL | Leather Leopard and Lace
| Others |
| LLL | Leave Lower Left
| Others |
| LLL | Left Lobe of Liver
| Others |
| LLL | Left Lower Leg
| Others |
| LLL | Left Lower Lid
| Others |
| LLL | left lower lobe (lung)
| Others |
| LLL | Left Lower Lobe [lung]
| Others |
| LLL | Left Lower Lobectomy
| Others |
| LLL | Left Lower Lung
| Others |
| LLL | Legal Lending Limit
| Others |
| LLL | Lending Lake Library
| Others |
| LLL | Lenstra Lenstra Lovasz algorithm
| Others |
| LLL | Leo L Lam
| Others |
| LLL | Let Love Lead
| Others |
| LLL | Letter Letter Letter
| Others |
| LLL | Liars Loafers And Lovers
| Others |
| LLL | Library Learning Lab
| Others |
| LLL | Life Long Learning
| Others |
| LLL | Linux pour les Lycees Luxembourgeois
| Others |
| LLL | Liquid Level
| Others |
| LLL | Lisp Like Language
| Others |
| LLL | Live Laugh Love
| Others |
| LLL | Live Life Loud
| Others |
| LLL | Live Linux List
| Others |
| LLL | Live Long Love
| Others |
| LLL | Live Longer and Love
| Others |
| LLL | Living Learning Leading
| Others |
| LLL | Living Like Larry
| Others |
| LLL | Long Lasting Love
| Others |
| LLL | Long Lost Love
| Others |
| LLL | Looney Leftist Liberals
| Others |
| LLL | Loony Liberal Left
| Others |
| LLL | Lounge Lizards Livin
| Others |
| LLL | Love, Life, Loyalty
| Others |
| LLL | Low Level Language
| Others |
| LLL | Low level Lisp
| Others |
| LLL | Low Level List
| Others |
| LLL | Low Light Level
| Others |
| LLL | Lowest Landau Level
| Others |
| LLL | Lowest Liquid Level
| Others |
| LLL | Lucy Lee Lamson
| Others |
| LLL | Lurid, langorous, livid
| Others |
| LLL | Lutheran Laypeople's League
| Others |