| LA |
Los Angeles; Library Association; Literate in Arts; Liverpool Academy; Louisiana |
| LAA |
Light Anti-Aircraft |
| Lab |
Labour |
| LAC |
London Athletic Club |
| LAMDA |
London Academy of Music and Dramatic Art |
| Lancs |
Lancashire |
| LAPADA |
London and Provincial Antique Dealers' Association |
| LC |
Cross of Leo |
| LCC |
London County Council (later GLC) |
| LCP |
Licentiate, College of Preceptors |
| LD |
Liberal and Democratic; Licentiate in Divinity |
| Ld Lt |
Lord-Lieutenant |
| Ldr |
Leader |
| LDS |
Licentiate in Dental Surgery |
| LDV |
Local Defence Volunteers |
| Ldy |
Lady (e.g., -in-Waiting) |
| LEA |
Local Education Authority |
| Leics |
Leicestershire |
| LG |
Lady Companion, Order of the Garter |
| LGSM |
Licentiate, Guildhall School of Music and Drama |
| LGStJ |
Lady of Grace, Order of St John of Jerusalem |
| LH |
Light Horse |
| LHD |
Literarum Humaniorum Doctor (Doctor of Literature) |
| LI |
Light Infantry; Long Island |
| Lib |
Liberal |
| Lib Dem |
Liberal Democrat |
| Lic |
Licence |
| LIFFE |
London International Financial Futures and Options Exchange |
| Lincs |
Lincolnshire |
| Lit |
Literary |
| Lit Hum |
Literae Humaniores (Classics) |
| LittD |
Doctor of Literature; Doctor of Letters |
| LLA |
Lady Literate in Arts |
| LLB |
Bachelor of Laws |
| LLC |
Limited Liability Company |
| LLCM |
Licentiate, London College of Music |
| LLD |
Doctor of Laws |
| LLM |
Master of Laws |
| LM |
Licentiate in Midwifery |
| LMCC |
Licentiate, Medical Council of Canada |
| LMH |
Lady Margaret Hall, Oxford |
| LMS |
London, Midland and Scottish Railway; London Missionary Society |
| LMSR |
London Midland and Scottish Railway |
| LMSSA |
Licentiate in Medicine and Surgery, Society of Apothecaries |
| LNER |
London and North Eastern Railway |
| LNWR |
London and North West Railway |
| LP |
Life Peer; Limited Partnership |
| LPTB |
London Passenger Transport Board |
| LRAM |
Licentiate, Royal Academy of Music |
| LRB |
London Rifle Brigade |
| LRCP |
Licentiate, Royal College of Physicians, London |
| LRCPE |
Licentiate, Royal College of Physicians, Edinburgh |
| LRCPI |
Licentiate, Royal College of Physicians of Ireland |
| LRCS |
Licentiate, Royal College of Surgeons of England |
| LRCSE |
Licentiate, Royal College of Surgeons, Edinburgh |
| LRCSI |
Licentiate, Royal College of Surgeons in Ireland |
| LRIBA |
Licentiate, Royal Institute of British Architects |
| LRPS |
Licentiate, Royal Photographic Society |
| LSA |
Licentiate, Society of Apothecaries; Licence in Agricultural Sciences |
| LSE |
London School of Economics and Political Science |
| LSO |
London Symphony Orchestra |
| LSWR |
London and South-Western Railway |
| LT |
London Transport; Licentiate in Teaching |
| LTA |
Lawn Tennis Association |
| LTB |
London Transport Board |
| LTCL |
Licentiate, Trinity College of Music, London |
| Ltcy |
Lieutenancy |
| Ltd |
Limited |
| LTE |
London Transport Executive |
| LTh |
Licentiate in Theology |
| LVO |
Lieutenant, Royal Victorian Order (formerly MVO (Fourth Class)) |
