| ABCL | 1986 | ↓ ↑ ⊕ String and List Processing | ⊕ Japan | OO Lisps | |
| Acrith | 1986 | ↓ ↑ ⊕ Numerical Scientific | ⊕ United States | High Accuracy Arithmetic Fortran Extensions | |
| Actor | 1986 | ⊕ Canada | |||
| Actus 2 | 1986 | ⊕ United Kingdom | |||
| ADADL | 1986 | ⊕ United States | |||
| ADAMO | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ Other DPLs | ⊕ Switzerland | Data structure and behaviour system |
| ADF | 1986 | ||||
| ADRS II | 1986 | ⊕ United States | |||
| ADVSYS | 1986 | ⊕ United States | |||
| Aeolus | 1986 | ||||
| AIDA | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ Array | ⊕ United States | Functional variation on APL |
| AL | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ CAI languages | ⊕ United States | Author Language - CAI Language |
| Alexis | 1986 | ||||
| Algol 8 | 1986 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ Denmark | Version 4 of RC Algol |
| AlphaPop | 1986 | ⊕ Stack | ⊕ United Kingdom | Pop on the Mac | |
| ALSP | 1986 | ⊕ United States | |||
| AML/2 | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ Robotics | ⊕ United States | Productisation of AML |
| AML/X | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ Robotics | ⊕ United States | Extensions to AML |
| Animus | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ Animation | ⊕ United States | Constraint-Based Animation |
| APL/HP | 1986 | ⊕ Australia | |||
| APPLOG | 1986 | ||||
| ARCHI | 1986 | ↓ ↑ ⊕ Experimental and other | ⊕ United States | Microarchitecture description language | |
| AS | 1986 | Application System IBM 4gl | |||
| ASL | 1986 | ⊕ Germany | |||
| ASTRO | 1986 | ⊕ United States | |||
| AT | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | parallel language | |
| Avalon/C++ | 1986 | ⊕ United States | |||
| BK | 1986 | ↓ ↑ ⊕ Business Data Processing | ⊕ France | Deductive database calculus | |
| Blond | 1986 | ⊕ Denmark | Reflective language based on scheme | ||
| C* | 1986 | ⊕ United States | Thinking machine C | ||
| CAREL | 1986 | ||||
| CCSP | 1986 | ⊕ United Kingdom | |||
| CFL | 1986 | ||||
| CHEM | 1986 | ⊕ United States | |||
| Cigale | 1986 | ||||
| Click and Snow FORTH | 1986 | ⊕ United States | |||
| CLIPS | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ RETE and production | ⊕ United States | C Language Integrated Production System |
| CLP(R) | 1986 | ↓ ↑ ⊕ Experimental and other | ⊕ Australia | Constraint Logic Programming (Real) | |
| CML | 1986 | ⊕ Canada | Conceptual Modelling Language | ||
| CommonLoops | 1986 | ⊕ United States | |||
| CommSpeak | 1986 | ⊕ United States | |||
| Concurrent C | 1986 | ⊕ United States | |||
| Connection Machine LISP | 1986 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ||
| Correlatives and Conversions | 1986 | ||||
| Crystal | 1986 | ⊕ United States | |||
| CSP + T | 1986 | ⊕ Australia | CSP with complex event timings | ||
| CS-Prolog | 1986 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ Hungary | |
| Cyrano | 1986 | ⊕ United States | |||
| DACAPO | 1986 | ||||
| delta | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Hybrid functional/logic languages | |
| DOC | 1986 | ⊕ Japan | Directed OC - parallel logic language | ||
| DoNaLD | 1986 | ||||
| Durra | 1986 | ⊕ United States | |||
| Eagle | 1986 | ||||
| ECRC-Prolog | 1986 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ United Kingdom | |
| EDUCE | 1986 | ⊕ United Kingdom | |||
| Eiffel | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ Simple | ⊕ France | Class-based object oriented C |
| ENGLISH | 1986 | ||||
| EQLog | 1986 | ||||
| eta | 1986 | ||||
| Extended Prolog | 1986 | ⊕ United States | |||
| FAC | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ Lazy Evaluation FPs | ⊕ United States | Functional alternative to APL |
| Forms | 1986 | ⊕ United States | |||
| FP2 | 1986 | ⊕ France | |||
| FPL | 1986 | functional parallel language | |||
| Fresh | 1986 | ||||
| FROBS | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | OO frame language |
| FUNLOG | 1986 | ||||
| GAP | 1986 | ⊕ Germany | Symbolic maths language | ||
| GaussFit | 1986 | ⊕ United States | |||
| GLIDE | 1986 | ⊕ United Kingdom | |||
| GRAAL | 1986 | ⊕ France | General Recursive Applicative and Algorithmic Language | ||
| Hexscon | 1986 | ||||
| Hookup | 1986 | ||||
| HP-GL | 1986 | ⊕ United States | |||
| ic | 1986 | ⊕ United States | |||
| IC/1 | 1986 | ||||
| Id Nouveau | 1986 | ⊕ United States | |||
| IF2 | 1986 | ⊕ United States | Graph language used by the OSC SISAL compiler | ||
| Ivan | 1986 | ||||
| Jacob 1 | 1986 | ⊕ United States | |||
| JOSSLE | 1986 | ⊕ United States | Translator language | ||
| KAREL | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | GMFanuc | |
| KREME | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | Frame language |
| Larch/Ada | 1986 | ⊕ United States | |||
| Larch/CLU | 1986 | ⊕ United States | |||
| LEAF | 1986 | ||||
| LGDF | 1986 | ||||
| L-HYBRID | 1986 | ⊕ United Kingdom | |||
| Lieberman | 1986 | ⊕ United States | |||
| LLilog | 1986 | ↓ ↑ ⊕ Experimental and other | ⊕ Language-oriented | ⊕ Germany | KR Lanugage |
| Logicon | 1986 | ⊕ France | |||
| LOGIN | 1986 | ⊕ France | |||
| LOGO PLUS | 1986 | ⊕ United States | |||
| LogoWriter | 1986 | ⊕ Canada | |||
| LPG | 1986 | ⊕ France | |||
| Maenner Pascal extensions | 1986 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ Germany | Pascal extended for physical quantities |
| Meson | 1986 | ||||
| METAFONT | 1986 | ⊕ United States | |||
| Meta-Logic Prolog | 1986 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ Japan | |
| Meta-Vlisp | 1986 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ France | |
| Mini-ML | 1986 | ⊕ France | |||
| Mizar 2 | 1986 | ⊕ Poland | |||
| ML | 1986 | ||||
| ML-Twig | 1986 | ↓ ↑ ⊕ String and List Processing | ⊕ Lithuania | Twig in ML | |
| Modal Logic Programming | 1986 | ⊕ Japan | |||
| MODSIM | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Simulation lanugage based on Modula 2 | |
| MQL | 1986 | ↓ ↑ ⊕ Business Data Processing | ⊕ Ad hoc query languages | ⊕ United States | Modular Query Language |
| Multilog | 1986 | ⊕ Horn clause | ⊕ United States | ||
| Nail | 1986 | ↓ ↑ ⊕ Business Data Processing | ⊕ United States | ||
| NIKL | 1986 | ⊕ United States | |||
| NISP | 1986 | ⊕ United States | |||
| Nuprl | 1986 | ⊕ United States | |||
| NUT | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ Estonia | ||
| O | 1986 | ⊕ France | Object oriented database querying system | ||
| Oaklisp | 1986 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ Germany | |
| Objective-C | 1986 | ↓ ↑ ⊕ Multi-purpose | ⊕ OO C family | ⊕ United States | OO C dialect |
| OCL | 1986 | ↓ ↑ ⊕ On-Line | ⊕ United States | Operation Control Language | |
| OGSURF | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ Germany | CAD/CAM NC language | |
| Ondine | 1986 | ⊕ Japan | |||
| OOPS | 1986 | ||||
| Orient84/K | 1986 | ||||
| OWL | 1986 | ⊕ Germany | |||
| Ozone | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ||
| PaiLisp | 1986 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | Parallel Lisp built on Scheme | |
| PAL | 1986 | Object-oriented Prolog-like language | |||
| PANDA | 1986 | ⊕ Japan | |||
| PAnnDA-S | 1986 | ⊕ Germany | PROSPECTA specification language | ||
| PARAC | 1986 | ||||
| Parlog86 | 1986 | ⊕ United Kingdom | |||
| Pascal/MT | 1986 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ United States | CP/M Pascal |
| Pascal-m | 1986 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ United States | Distributed Pascal |
| PASION | 1986 | ⊕ Mexico | |||
| PC/Pilot | 1986 | ⊕ United States | Computer aided instruction language | ||
| PCL | 1986 | ⊕ Italy | Pyramid C Language | ||
| PCOL | 1986 | ⊕ Netherlands | |||
| PEPsy | 1986 | ||||
| PHYSCAL | 1986 | ⊕ Germany | |||
| Pi | 1986 | ||||
| PLAY | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ Animation | ⊕ United States | |
| PLNLP | 1986 | ⊕ United States | |||
| POPS2 | 1986 | ||||
| POPSY | 1986 | ||||
| Port Language | 1986 | ||||
| POSTQUEL | 1986 | ↓ ↑ ⊕ Business Data Processing | ⊕ United States | ||
| Pountain FORTH | 1986 | ⊕ Stack | ⊕ United States | ||
| P-Prolog | 1986 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ Singapore | |
| PROC | 1986 | ||||
| PROMAL | 1986 | ↓ ↑ ⊕ Multi-purpose | ⊕ CPL, BCPL and B | ⊕ United States | |
| Python | 1986 | ⊕ Lazy Evaluation LISPs | ⊕ United States | Compiler for CMU Common LISP | |
| QMF | 1986 | ||||
| QUICKTALK | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Smalltalk-80 dialect for defining primitive methods | |
| QUTE | 1986 | ⊕ Japan | |||
| Raddle | 1986 | ||||
| RAP | 1986 | ↓ ↑ ⊕ On-Line | ⊕ CAI languages | ⊕ United States | Text processing language for linguistics |
| Real-Time Euclid | 1986 | ⊕ Canada | Euclid with RT extensions | ||
| Refined Fortran | 1986 | ↓ ↑ ⊕ Numerical Scientific | ⊕ United States | Parallel Fortran 77 | |
| RF | 1986 | ↓ ↑ ⊕ Numerical Scientific | ⊕ United States | ||
| RT-ASLAN | 1986 | ⊕ United States | |||
| Ruby | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ Strict evaluation FPs | ⊕ United States | |
| SAL | 1986 | ⊕ United States | Simple Actor Language | ||
| SCOOPS | 1986 | ⊕ United States | |||
| SCRIPT | 1986 | ||||
| Show & Tell | 1986 | Visual languages | |||
| Show-And-Tell | 1986 | ⊕ United States | |||
| SIGNAL | 1986 | ⊕ France | |||
| SIMCAL | 1986 | ||||
| S-LONLI | 1986 | ⊕ United Kingdom | |||
| SMALL | 1986 | ⊕ Sweden | |||
| Smalltalk/V | 1986 | ⊕ United States | |||
| SML/NJ | 1986 | ⊕ United States | Standard ML of New Jersey. | ||
| SMoLCS | 1986 | ||||
| SNET | 1986 | ⊕ Finland | |||
| SPECTUR | 1986 | ⊕ Canada | |||
| SPL | 1986 | ⊕ United States | Synchronous Programming Language | ||
| Squigol | 1986 | ⊕ Netherlands | |||
| STAIRS | 1986 | ||||
| Super Mongo | 1986 | ||||
| SW2 | 1986 | ⊕ United States | |||
| TAG | 1986 | ↓ ↑ ⊕ Specialised Languages | Task action grammar | ||
| TALE | 1986 | ||||
| TAO86 | 1986 | ⊕ Japan | |||
| Tcl | 1986 | Terminal Control Language | |||
| Ten15 | 1986 | ⊕ United Kingdom | |||
| TIF | 1986 | ||||
| Timed CSP | 1986 | ⊕ United Kingdom | Extension of CSP to include timing constructs | ||
| TransForth | 1986 | ⊕ United States | |||
| TRS-80 Color Logo | 1986 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | Logo for the TRS-80 |
| Tuki | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ Intermediate languages and VMs | ⊕ United Kingdom | |
| Turbo Prolog | 1986 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ Denmark | |
| Twentel | 1986 | ⊕ Netherlands | |||
| TWIG | 1986 | ⊕ United States | |||
| UFL | 1986 | ||||
| UNICORN | 1986 | ||||
| Universal Assembler Language | 1986 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ United States | ||
| Vector C | 1986 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | ||
| VennLISP | 1986 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ||
| Views | 1986 | ⊕ United States | |||
| Waterloo Core Prolog | 1986 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ Canada | |
| XC | 1986 | ⊕ Finland | |||
| YAFOOL | 1986 | ⊕ France |