| ACL | 1971 | Multi-purpose | Early Autocodes | United Kingdom | Systems language for ICL Atlas |
| Barron Conversational Fortran | 1971 | United Kingdom | |||
| CLAM | 1971 | Non-numerical Scientific | United Kingdom | ||
| Flocoder | 1971 | Specialised Languages | 2-D Graphic Languages | United Kingdom | Flowchart-based languages |
| GENTRAN | 1971 | FORTRAN IV standard | United Kingdom | Dialect of FORTRAN for the GENESYS system | |
| Hatfield Basic | 1971 | Dartmouth Basics | United Kingdom | Teaching Basics | |
| Hocus Pocus | 1971 | Specialised Languages | Process interaction | United Kingdom | Algol based simulation language |
| NEATA | 1971 | United Kingdom | |||
| OCODE | 1971 | United Kingdom | |||
| POPLER | 1971 | String and List Processing | United Kingdom | Hybrid of PLANNER and POP-2 | |
| RTL | 1971 | United Kingdom | |||
| RTL/1 | 1971 | United Kingdom | Implementation ofRTL/I | ||
| SIMBOL | 1971 | Symbolic | United Kingdom | ICL SIMulated Boolean Oriented Language |