L0
L6
Lace
LADE
LADY
Lakota
LAMBDA
lambda-Prolog
LAMINA
Language H
Laning and Zierler
LAP
LAP4
LAPSE
Larch
Larch/Ada
Larch/CLU
LaTeX
LAU
LAURE
LAVA
LAX
LCC
LCL[1]
LGL[2]
LCS
LDL
LDL1
LDT
LE/1
LEAF[1]
LEAF[2]
Lean
LEAP
LECOM
Leda
LeFun
Legion
LEGOL
Le-Lisp
Leo
Lex[1]
Lex[2]
LG
LGDF
LGEN
LGN
Liana
LIDO
LiE
LIFE
LIL
Lila
LIMDEP
LIMP
Linc
Lincoln Reckoner
Linda
LindaLISP
Lingo
LINGOL
LIPL
LIS
LISA
LISP
LISP 2
LISP70
LISP A
LispKit Lisp
Lisp-Linda
LISP Machine LISP
Lisptalk
LITHE
LITTLE
Little Smalltalk
LLM3
LM3
LML[1]
LML[2]
LNF
L&O
LO
LogC
LOGIC
Logic Design Language
LOGIN
LOGLAN
LOGLISP
LOGO
LOGOL
LOLITA
Lolli
LOM
LOOK
LOOKS[1]
LOOKS[2]
LOOPN
LOOPS
LOP
Lore[1]
Lore[2]
LOTIS
LOTOS
Lout
Low-Ada
LOWL
LPC
LPG[1]
LPG[2]
LPL
LPS
LRLTRAN
LSL[1]
LSL[2]
LSYD
LT-2
LTR
LTR2
LTR3
Lua
LUCID[1]
Lucid[2]
Lucinda
Lucy
LUKKO
LUSTRE
LYaPAS
Lygon
LYNX
LYRIC