| ABAL | 1974 | ↓ ↑ ⊕ Non-numerical Scientific | ⊕ United States | Teaching language for Boolean algebra | |
| ADS | 1974 | ⊕ United States | Automatic documentation language | ||
| Alphard | 1974 | ↓ ↑ ⊕ Experimental and other | ⊕ Pascals | ⊕ United States | Pascal with data abstraction |
| Analitik-74 | 1974 | ↓ ↑ ⊕ Multi-purpose | ⊕ Other Russian/Soviet | ⊕ Russian Federation | New version of Analitik |
| APG | 1974 | ||||
| APG | 1974 | ⊕ United States | |||
| Argonne proving system | 1974 | ⊕ United States | |||
| ARPL | 1974 | ⊕ United States | |||
| ARTSPEAK | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | ||
| ASSIRIS | 1974 | ||||
| Augment | 1974 | ⊕ United States | |||
| AUTASCRIPT | 1974 | ⊕ United States | |||
| AUTASIM | 1974 | ⊕ United States | |||
| Autopass | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ Robotics | ⊕ United States | Parts assembly language for robotic manufacturing |
| AUTOPIT III | 1974 | ⊕ Germany | |||
| BAL | 1974 | ↓ ↑ ⊕ String and List Processing | ⊕ France | ||
| BDL | 1974 | ↓ ↑ ⊕ Business Data Processing | ⊕ United States | High-level IBM database language for describing business applications | |
| BLISS/10 | 1974 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | ||
| BOLTS | 1974 | ||||
| CAFE | 1974 | ⊕ United Kingdom | Job Control Language | ||
| Cesil | 1974 | ⊕ United Kingdom | |||
| Chinese Algol | 1974 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ China | Algol 60 in Chinese glyphs |
| Chupin | 1974 | ⊕ France | |||
| CLU | 1974 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ United States | CLUster programming language - abstractions and iterators |
| COALA | 1974 | ||||
| COBOL 74 | 1974 | ↓ ↑ ⊕ Business Data Processing | ⊕ COBOL 74 | ⊕ International | ANS COBOL X3.23-1974 |
| CSAX | 1974 | ||||
| CSI IBM 360 MACROS | 1974 | ||||
| DALI | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | Graphical display language |
| Davies decision table simulation language | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ Decision tables | ⊕ United States | Simulation language with decision tables |
| DDN | 1974 | ↓ ↑ ⊕ Experimental and other | ⊕ Single-assignment | ⊕ United States | Data-Driven Nets |
| DECTAT | 1974 | ↓ ↑ ⊕ Business Data Processing | ⊕ Decision tables | ⊕ United Kingdom | Decision table generator |
| Dennis dataflow | 1974 | ⊕ Single-assignment | ⊕ France | ||
| DRAFT | 1974 | ||||
| DS/3 | 1974 | ||||
| ELAN | 1974 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ Germany | Language for teaching structured programming |
| ELI | 1974 | ↓ ↑ ⊕ String and List Processing | ⊕ Strict evaluation LISPs | ⊕ United States | Embedded Lisp Interpreter |
| EPL | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ Forecasting | ⊕ United States | Economic Programming Language |
| EXEC | 1974 | ⊕ United States | |||
| FALCON | 1974 | ↓ ↑ ⊕ On-Line | ⊕ Algebraic | ⊕ Italy | |
| FLOW | 1974 | ||||
| FORTRAN-based non-deterministic language | 1974 | ⊕ Non Standard FIV | |||
| Frames | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | Minsky's pioneering FRL |
| GEOMED | 1974 | ⊕ United States | |||
| GERMINAL | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ France | Itegrated CAD system |
| Glushkov R-algebra | 1974 | ⊕ Russian Federation | |||
| GOLUX | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ United Kingdom | ||
| GPL | 1974 | ↓ ↑ ⊕ Multi-purpose | ⊕ PL-360s | ⊕ Japan | Genken Programming Language |
| Hainaut LeCharlier | 1974 | ↓ ↑ ⊕ Business Data Processing | ⊕ France | ||
| HLISP | 1974 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ||
| HQL | 1974 | ||||
| HSL/1 | 1974 | ||||
| IDS/II | 1974 | ⊕ United States | |||
| IMP 2 | 1974 | ↓ ↑ ⊕ Multi-purpose | ⊕ Early Autocodes | ⊕ United Kingdom | |
| Info BASIC | 1974 | ⊕ United States | |||
| INFORM | 1974 | ||||
| INTERLISP-10 | 1974 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | |
| ISBL | 1974 | ⊕ RDBMs | ⊕ United Kingdom | IBM Peterlee experimental relational algebra | |
| ISIS | 1974 | ↓ ↑ ⊕ Business Data Processing | ⊕ Hierarchical DB | ⊕ Switzerland | |
| Kasvand | 1974 | ||||
| KUL GPM | 1974 | ⊕ Belgium | |||
| KUL STAGE2 | 1974 | ⊕ Belgium | |||
| L0 | 1974 | ↓ ↑ ⊕ Multi-purpose | ⊕ Germany | ||
| L4 | 1974 | ||||
| Lambda-Reduction | 1974 | ||||
| LE/2 | 1974 | ⊕ France | |||
| LEGOL | 1974 | ||||
| LIL | 1974 | ⊕ United States | Little Implementation Language | ||
| LINUS | 1974 | ⊕ Other algorithmic | ⊕ United States | Instructional algorithmic language | |
| LISP Machine LISP | 1974 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | |
| LO11 | 1974 | ⊕ PL-360s | ⊕ United States | ||
| LP-15 | 1974 | ⊕ PL-360s | ⊕ France | CII Mitra port of PL-360 | |
| Macro-11 | 1974 | ⊕ Macros | ⊕ United States | ||
| Mary | 1974 | ⊕ Partial A68 only | ⊕ Norway | ||
| MAXIMOP | 1974 | ⊕ United Kingdom | |||
| MIDAS | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ Visualisation | ⊕ United States | Data visualisation language |
| Mini PL/I | 1974 | ↓ ↑ ⊕ Multi-purpose | ⊕ Other PL/Is | ⊕ Italy | Olivetti PL/I subset |
| MINIVITAL | 1974 | ⊕ United States | |||
| MIRIAM | 1974 | ⊕ Denmark | |||
| MPL | 1974 | ↓ ↑ ⊕ Multi-purpose | ⊕ Macros | ⊕ France | Macro Processor Language |
| NATAL | 1974 | ||||
| NAVTRANSTAB | 1974 | ||||
| NETFORM | 1974 | ⊕ Netherlands | |||
| NJCL | 1974 | ⊕ France | Network Job Control Language | ||
| NODAL | 1974 | ↓ ↑ ⊕ Experimental and other | ⊕ Generation of JOSS I | ⊕ Switzerland | High level declarative language for physics research |
| NSCRIPT | 1974 | ↓ ↑ ⊕ String and List Processing | ⊕ Editing and processing | ⊕ United States | Text-processing scripting command language |
| PACOL | 1974 | ↓ ↑ ⊕ Experimental and other | ⊕ Israel | Language to control programming components | |
| Pasqual | 1974 | ⊕ Canada | |||
| PDEL-ID | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ Differential Equations | ⊕ United States | Distributed differential equation |
| PDL | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ Semantic descriptions | Pictorial description language | |
| PIXIN | 1974 | ⊕ United Kingdom | |||
| PL/CS | 1974 | ↓ ↑ ⊕ Experimental and other | ⊕ Other PL/Is | ⊕ United States | PL/I subdialect for the CPS |
| PL/MIX | 1974 | ⊕ PL-360s | ⊕ United States | MIX version of PL360 | |
| PL/PROPHET | 1974 | ⊕ Other PL/Is | ⊕ United States | ||
| PL/S-II | 1974 | ⊕ Other PL/Is | ⊕ United States | ||
| PL4 | 1974 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ Canada | Experimental Simula language for list processing |
| PLIS7 | 1974 | ⊕ PL-360s | ⊕ Denmark | IS7 port of PL360 | |
| PLR | 1974 | ⊕ Germany | |||
| POFAC | 1974 | ⊕ Belgium | |||
| PROCSIM | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ Expression oriented | ⊕ Australia | Simulation language for processors |
| PROPHET | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ Chemical formula languages | ⊕ United States | Chemical informatics language |
| PS 440 | 1974 | ⊕ PL-360s | ⊕ Germany | PL 360 for the Telefunken TR 440 | |
| PSG2 | 1974 | ⊕ United States | |||
| PSNLST | 1974 | ||||
| PUMPKIN | 1974 | ||||
| Pygmalion | 1974 | ⊕ Reactive | ⊕ United States | ||
| QUIKJOB | 1974 | ⊕ United States | |||
| RDL | 1974 | ↓ ↑ ⊕ Business Data Processing | ⊕ United States | ||
| RENDEZVOUS | 1974 | ⊕ United States | |||
| RSL | 1974 | ||||
| SAINT | 1974 | ⊕ Event scheduling | ⊕ United States | ||
| SHAZAM | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ Animation | ⊕ United States | Smalltalk animation language |
| SIMPL | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ True ALGOL60s | ⊕ United States | Horizonatally sequenced Algol |
| SIMULOGO | 1974 | ⊕ Canada | |||
| SIXBOL | 1974 | ⊕ United States | |||
| SLICK II | 1974 | ⊕ United States | |||
| Smalltalk-74 | 1974 | ⊕ Simple | ⊕ United States | ||
| SMOOTH | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | ||
| SNOBOL+ | 1974 | ↓ ↑ ⊕ String and List Processing | ⊕ Tree | ⊕ Israel | SNOBOL4 with trees |
| SNOBOLY | 1974 | ↓ ↑ ⊕ String and List Processing | ⊕ Patterns | ⊕ Canada | SNOBOL dialect with Algol control structures |
| SNOFLEX | 1974 | ⊕ Patterns | ⊕ United States | ||
| SOL | 1974 | ⊕ Semantic | ⊕ United Kingdom | Semantic Operating Language | |
| SYDEL | 1974 | ||||
| TAB-360 | 1974 | ⊕ Decision tables | ⊕ United Kingdom | ||
| TABLEMASTER | 1974 | ⊕ United Kingdom | |||
| TABN | 1974 | ⊕ United Kingdom | Decision table pogram | ||
| Tamir SNOBOL | 1974 | ↓ ↑ ⊕ String and List Processing | ⊕ Patterns | ⊕ Israel | SNOBOL 4 with structures |
| TPL | 1974 | ⊕ United States | |||
| TRAK | 1974 | ⊕ Belgium | |||
| TROFF | 1974 | ↓ ↑ ⊕ String and List Processing | ⊕ Layout and display | ⊕ United States | Typesetter Runoff |
| TUTOR | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ CAI languages | ⊕ United States | Scripting for CAI |
| UCD MUMPS | 1974 | ||||
| UMTA | 1974 | ||||
| Van Emden and Kowalsi extended Prolog | 1974 | ⊕ United Kingdom | |||
| VIPTRAN2 | 1974 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | ||
| Vuellemin dataflow | 1974 | ⊕ France | |||
| WHELP | 1974 | ↓ ↑ ⊕ Specialised Languages | ⊕ Arithmetic | ⊕ United States | Paedogogical Linear programming system |