| 2CL | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ United Kingdom | Modified NEL NC machine |
| AAP1 | 1965 | ⊕ United States | |||
| ABASIC | 1965 | ↓ ↑ ⊕ Multi-purpose | ⊕ Dartmouth Basics | ⊕ France | Dartmouth BASIC dialect for Bull-GE |
| AED String Package | 1965 | ⊕ Gestalt programming | ⊕ United States | ||
| AED-1 | 1965 | ⊕ Gestalt programming | ⊕ United States | Portable AED Compiler | |
| AL | 1965 | ↓ ↑ ⊕ String and List Processing | ⊕ Map/Dictionary | ⊕ United States | Associative Language |
| ALICS | 1965 | ↓ ↑ ⊕ Experimental and other | ⊕ Symbolic assemblers | ⊕ United States | ICS assembler |
| ALPINE | 1965 | ⊕ Other Conversational | ⊕ United States | Conversational programming system for NORC | |
| ALTRAN | 1965 | ↓ ↑ ⊕ Non-numerical Scientific | ⊕ Fortran I-III Variants | ⊕ United States | Translator for ALTAC |
| Anderson extensions | 1965 | ↓ ↑ ⊕ Experimental and other | ⊕ Other US historic | ⊕ United States | Parallel extensions set for PLs |
| ASKA | 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Algebraic | ⊕ Germany | Matrix finite element analysis language |
| ASP | 1965 | ↓ ↑ ⊕ String and List Processing | ⊕ Map/Dictionary | ⊕ United Kingdom | Associative Structures Package |
| Atlas Algol | 1965 | ⊕ United Kingdom | |||
| Atlas Commercial Language | 1965 | ⊕ COBOL coeval | ⊕ United Kingdom | ||
| ATOLL | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ External systems testing | ⊕ United States | NASA Test language |
| AUTODRAFT | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | Drafting language |
| AUTOSURF | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ Italy | 3D CNC programming language |
| Basic JOVIAL | 1965 | ↓ ↑ ⊕ Multi-purpose | ⊕ Jovials | ⊕ United States | Simplified subset of JOVIAL |
| BBN data management system | 1965 | ↓ ↑ ⊕ Business Data Processing | ⊕ Ad hoc query languages | ⊕ United States | |
| BBN JOSS | 1965 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS I | ⊕ United States | JOSS rewritten at BBN |
| BEFLIX | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Animation | ⊕ United States | Animation language |
| Bell Labs Stats Package | 1965 | ⊕ United States | |||
| BESTOP | 1965 | ↓ ↑ ⊕ Business Data Processing | ⊕ Report Generators | ⊕ United States | Statistically oriented report generator |
| Blechman MIDAS | 1965 | ⊕ Digital | ⊕ United States | NAA MIDAS | |
| BLODI-B | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Expression oriented | ⊕ United States | Block Diagram compiler |
| Bus-Pak II | 1965 | ↓ ↑ ⊕ Business Data Processing | ⊕ Hierarchical DB | ⊕ United States | |
| ByteLisp | 1965 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | |
| CAI | 1965 | ⊕ CAI languages | ⊕ United States | Computer Assisted Instruction | |
| CALPAK | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Algebraic | ⊕ United States | CALTECH Algebra package |
| CALTRAN | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Algebraic | ⊕ United States | CALTECH Algebra package |
| CDL | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Digital | ⊕ United States | Computer Design Language |
| CDL | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Command systems | ⊕ United States | Command Definition Language for ICES |
| CHIMP | 1965 | ||||
| CINTURN | 1965 | ⊕ Numerical Control | ⊕ United States | Cincinatti APT | |
| Clowes | 1965 | ⊕ Syntactical descriptions | ⊕ United Kingdom | Picture grammar | |
| COBOL Edition 1965 | 1965 | ↓ ↑ ⊕ Business Data Processing | ⊕ COBOL-61 | ⊕ United States | DoD mandated COBOL |
| COGENT | 1965 | ⊕ Grammar and Syntax-oriented | ⊕ United States | COmpiler and GENeralized Translator | |
| COGO T-Square | 1965 | ⊕ Civil | ⊕ United States | ||
| COLINGO | 1965 | ↓ ↑ ⊕ Business Data Processing | ⊕ Flat DB | ⊕ United States | |
| COMMEND | 1965 | ⊕ Civil | ⊕ United States | ||
| COMPAX | 1965 | ↓ ↑ ⊕ On-Line | ⊕ Cell-based | ⊕ India | Visual language for the BUBBLE-TALK system |
| COMPUTEST II | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ CAI languages | ⊕ United States | CAI and interviewing language |
| CORTRAN | 1965 | ⊕ FORTRAN IV standard | ⊕ United States | Cornell FORTRAN | |
| CPL1 | 1965 | ↓ ↑ ⊕ Multi-purpose | ⊕ CPL, BCPL and B | ⊕ United Kingdom | Implemented subset of CPL |
| CPS | 1965 | ⊕ Other Conversational | ⊕ United States | Conversational Programming System | |
| CSMP | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Expression oriented | ⊕ United States | Continuous System Modeling Program |
| DACICC Code | 1965 | ↓ ↑ ⊕ Multi-purpose | ⊕ Autocode Coeval | ⊕ Romania | Code for the DACICC computers |
| Data-beads | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ 3d shape | ⊕ United States | 3d CAD storage and representation system |
| DECAL | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ CAI languages | ⊕ United States | Digital CAI language |
| DEMON | 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Differential Equations | ⊕ Australia | Program generator |
| DETAB/66 | 1965 | ↓ ↑ ⊕ Business Data Processing | ⊕ Decision tables | ⊕ United States | Revised version of DETAB |
| DETAP | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Decision tables | ⊕ United States | Single paragraph COBOL writer |
| Dictionary APL | 1965 | ↓ ↑ ⊕ Business Data Processing | ⊕ Array | ⊕ United States | nickname for Sharp APL |
| DML | 1965 | ↓ ↑ ⊕ Business Data Processing | ⊕ COBOL coeval | ⊕ United States | Honeywell Data Management Language |
| DSL/90 | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Digital | ⊕ United States | Computer simulation language |
| DYSTAL | 1965 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | Array-based list-processing for Fortran |
| ECAP | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Differential Equations | ⊕ United States | Electronic Circuit Analysis Program |
| EGTRAN | 1965 | ⊕ Fortran I-III Variants | ⊕ United Kingdom | ||
| EULER | 1965 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ United States | Wirth Algol |
| EXTRACT | 1965 | ↓ ↑ ⊕ Business Data Processing | ⊕ Ad hoc query languages | ⊕ United States | Querying language |
| FLAP | 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Symbolic | ⊕ United States | |
| FLAP | 1965 | ⊕ United States | |||
| FORTRAN II-D | 1965 | ⊕ Fortran I-III Variants | ⊕ United States | ||
| FRAN | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Civil | ⊕ United States | |
| GIM | 1965 | ⊕ United States | Multi-dimensional data language | ||
| Gorn language-naming language | 1965 | ↓ ↑ ⊕ String and List Processing | ⊕ Language-oriented | ⊕ United States | Lanugage for naming languages, to permit multilanguage compilation |
| GPM | 1965 | ↓ ↑ ⊕ String and List Processing | ⊕ Macros | ⊕ United Kingdom | General Purpose Macro-generator |
| GPSS III | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Event scheduling | ⊕ United States | General Purpose Systems Simulator |
| GRAD Assistant | 1965 | ↓ ↑ ⊕ Non-numerical Scientific | ⊕ Algebraic | ⊕ United States | A LISP program to do algebraic manipulation |
| GRIN | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Flowcharts | ⊕ United States | GRaphical INteraction language |
| HAYNAM Algol extensions | 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ United States | |
| HSL | 1965 | ⊕ Germany | Hytran Simulations Language | ||
| ICETRAN | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Civil | ⊕ United States | Translator between ICES and FORTRAN |
| IMP | 1965 | ↓ ↑ ⊕ Multi-purpose | ⊕ True ALGOL60s | ⊕ United States | Extensible dialect of ALGOL-60 |
| IMP | 1965 | ↓ ↑ ⊕ On-Line | ⊕ Other Conversational | ⊕ United States | Lampson interactive debugging environment |
| IVSYS | 1965 | ↓ ↑ ⊕ Experimental and other | ⊕ Array | ⊕ United States | Early implementation of APL |
| JOSS II | 1965 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS II | ⊕ United States | Version 2 of JOSS |
| KAM | 1965 | ⊕ Mechanical | ⊕ United States | ||
| KOP | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Decision tables | ⊕ United States | Online system for batching jobs |
| Korsvold | 1965 | ↓ ↑ ⊕ Non-numerical Scientific | ⊕ Symbolic | ⊕ United States | Interactive non-numeric symbolic language |
| LEASE | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Civil | ⊕ United States | Subsystem of ICES |
| Lincoln Reckoner | 1965 | ↓ ↑ ⊕ On-Line | ⊕ Arithmetic | ⊕ United States | Interactive maths at Lincoln Labs |
| LIPL | 1965 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | A linearized version of IPL-V |
| LOCS | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Activity scanning | ⊕ United States | Simulation system for EDP |
| LRC | 1965 | ⊕ List | ⊕ United States | List processing | |
| LSIX | 1965 | ⊕ List | ⊕ United States | ||
| Macrosal | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | Interactive graphics system |
| MAD Simulation | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Expression oriented | ⊕ United States | |
| Mad/I | 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Other IAL Coeval | ⊕ United States | Advanced algorithmic language |
| MADBLOC | 1965 | ⊕ Difference Equations | ⊕ United States | ||
| MADBUG | 1965 | ⊕ United States | CTSS Conversaional MAD | ||
| MADTRAN | 1965 | ||||
| MALGOL | 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ Russian Federation | Algol 60 for the MINSK-2 |
| MATRAN | 1965 | ↓ ↑ ⊕ Business Data Processing | ⊕ Statistical | ⊕ United States | Matrix-based statistical system |
| MAYBE | 1965 | ⊕ United States | |||
| METAPLAN | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Grammar and Syntax-oriented | ⊕ United States | Semantics-directed compiler |
| MIDAS III | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Expression oriented | ⊕ United States | Digital simulation language |
| MORPHISM | 1965 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ France | Symbolic List Processing Language |
| MPL/I | 1965 | ↓ ↑ ⊕ Multi-purpose | ⊕ Other PL/Is | ⊕ United States | Multiple Purpose Language |
| MUSIC 4BF | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Sound-Performance | ⊕ United States | Musical composition language |
| MUSIC 4F ORPHEUS | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Sound-Performance | ⊕ United States | Musical composition language |
| NAPSS | 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Arithmetic | ⊕ United States | Non-procedural language for solving mathematical problems |
| NICOL I | 1965 | ⊕ Other PL/Is | ⊕ United States | Small subset of PL/I language | |
| NOMAD | 1965 | ⊕ United States | |||
| NU ALGOL | 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ Norway | Norwegian University Algol |
| NWL CAI Fortran | 1965 | ⊕ United States | |||
| OKIDS-60 | 1965 | ⊕ Japan | |||
| OPS-3 | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Process interaction | ⊕ United States | On-line Process Synthesizer version 3 |
| PANON-1B | 1965 | ↓ ↑ ⊕ Experimental and other | ⊕ Patterns | ⊕ Italy | Pattern-directed symbol manipulation language |
| PAT | 1965 | ⊕ United States | |||
| PC | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | PIcture Compiler for RCA GOLD |
| PDQ FORTRAN | 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Fortran I-III Variants | ⊕ United States | Purdue FORTRAN compiler |
| PET | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Decision tables | ⊕ Canada | Decision table language |
| PET | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Decision tables | ⊕ United States | Decision table language |
| PL360 | 1965 | ↓ ↑ ⊕ Multi-purpose | ⊕ PL-360s | ⊕ United States | Wirth's Algol 60-derived HLA for the 360 |
| PLAN | 1965 | ⊕ Symbolic assemblers | ⊕ United States | ICL Symbolic assembler | |
| Plasyd | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ PL-360s | ⊕ United Kingdom | ICL systems language |
| PRIDE | 1965 | ↓ ↑ ⊕ String and List Processing | ⊕ Other DPLs | ⊕ United States | List and file processing language for Xanadu |
| PROJECT | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Planning and development | ⊕ United States | Project management subsystem for ICES |
| PROMO | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ Italy | CNC Language |
| PUFFT | 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Non Standard FIV | ⊕ United States | Student's Fortan |
| QUICKTRAN | 1965 | ⊕ Non Standard FIV | ⊕ United States | Conversational FORTRAN | |
| QUIKSCRIPT | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Internal Translators | ⊕ United States | Extensions to GATE for simulation |
| QUIN | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ External systems control | ⊕ United States | Interactive system control language |
| RDF | 1965 | ⊕ Ad hoc query languages | ⊕ United States | Relational Data File | |
| ROADS | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Civil | ⊕ United States | Problem-solving package for ICES |
| RPG II | 1965 | ↓ ↑ ⊕ Business Data Processing | ⊕ Report Generators | ⊕ United States | RPG with subroutines and extended IO |
| RUNOFF | 1965 | ↓ ↑ ⊕ String and List Processing | ⊕ Layout and display | ⊕ United States | Original roff language |
| RUSH | 1965 | ↓ ↑ ⊕ On-Line | ⊕ Other PL/Is | ⊕ United States | Interactive Dialect of PL/I |
| SAFARI | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Editing and processing | ⊕ United States | |
| SAL | 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Algebraic | ⊕ United States | Simple Algebraic Language |
| SAP-2 | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ Estonia | NC language |
| SCALLOP | 1965 | ⊕ Other US historic | ⊕ United States | Systems language, CDC | |
| SCORS | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Low-level Autocoders | ⊕ United States | Autocoder for Stromberg-Carlson intelligent recorder |
| SELECT | 1965 | ⊕ Ad hoc query languages | ⊕ United States | Data retrieval systemfor IBM 401 | |
| SELMA | 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Matrix | ⊕ United States | Matrix Algebra language |
| SEP | 1965 | ↓ ↑ ⊕ Multi-purpose | ⊕ Early Autocodes | ⊕ United Kingdom | |
| Sequence Break DECAL | 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Other Algol 60s | ⊕ United States | BBN version of DEC simplified Algol |
| SHADOW V | 1965 | ⊕ Grammar and Syntax-oriented | ⊕ United States | ||
| Sharp APL | 1965 | ↓ ↑ ⊕ Business Data Processing | ⊕ Array | ⊕ Canada | IP Sharp |
| SIMON II | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Process interaction | ⊕ United Kingdom | Algol-based simulation language |
| SIMSCRIPT I.5 | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Event scheduling | ⊕ United States | Simulation package, produced 7090 assembly |
| SIMTRAN | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Expression oriented | ⊕ United States | |
| SMART system | 1965 | ⊕ Japan | |||
| SNAP | 1965 | ↓ ↑ ⊕ Experimental and other | ⊕ Macros | ⊕ United Kingdom | |
| SNOBOL3 | 1965 | ↓ ↑ ⊕ String and List Processing | ⊕ Patterns | ⊕ United States | SNOBOL with UDFs |
| SPSS | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Statistical | ⊕ United States | Stats system |
| SPURT | 1965 | ↓ ↑ ⊕ Multi-purpose | ⊕ Symbolic assemblers | ⊕ United States | Symbolic Programming Language for the UNIVAC Real Time system |
| STATPAC | 1965 | ⊕ Statistical | ⊕ United States | ||
| STAT-PACK | 1965 | ⊕ Statistical | ⊕ United States | Goddard biostats package | |
| STRIP | 1965 | ⊕ Flowcharts | ⊕ United States | ||
| STROBES | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ External systems testing | ⊕ United States | |
| STRUDL | 1965 | ⊕ Civil | ⊕ United States | STRUctured Design Language | |
| SYMBOLANG | 1965 | ↓ ↑ ⊕ Non-numerical Scientific | ⊕ Symbolic | ⊕ United States | Symbol manipulating FORTRAN |
| SYNTAXSYS | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Scanning and section control | ⊕ United States | SEmantic acces to picture subsegments |
| T3 Fortran | 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Fortran I-III Variants | ⊕ United Kingdom | Titan Fortran III |
| TMG | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Grammar and Syntax-oriented | ⊕ United States | Compiler writing language |
| TOCS | 1965 | ↓ ↑ ⊕ On-Line | ⊕ Arithmetic | ⊕ United States | TACT Online Computer System |
| TRANSIT | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Civil | ⊕ United States | Problem-solving package for ICES |
| TREETRAN | 1965 | ↓ ↑ ⊕ String and List Processing | ⊕ Tree | ⊕ United States | |
| UL/1 | 1965 | ↓ ↑ ⊕ Business Data Processing | ⊕ Ad hoc query languages | ⊕ United States | Early non-procedural query language |
| Vienna Definition Language | 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Definition languages | ⊕ Germany | Formal language description language |