| UnrealScript | 1998 | generic programming, object-oriented programming | static typing, safe typing, strong typing | — |
| Ur/Web | 2014 | — | — | — |
| URBI | 2003 | — | — | — |
| Urbiscript | — | object-oriented programming | dynamic typing, duck typing | — |
| UrduScript | — | — | — | — |
| Uxntal | — | — | — | — |
| V | 2018 | functional programming, structured programming, imperative programming | — | — |
| Vala | 2006 | structured programming, imperative programming, object-oriented programming | static typing, inference typing, structural typing, strong typing | — |
| Varphi Language | 2025 | reflective programming, procedural programming, functional programming, imperative programming, object-oriented programming | — | — |
| Vedic Programming Language | — | — | — | — |
| Verse | 2023 | — | — | — |
| Verus | — | — | — | — |
| Vienna Definition Language | — | — | — | — |
| Vimscript | — | functional programming, imperative programming, object-oriented programming | — | — |
| Viper | 2016 | — | — | — |
| VIPLE | 2014 | service-oriented architecture | — | — |
| Virgil | 2012 | — | — | — |
| VisiCalc | 1978 | — | — | — |
| Visual Basic .NET | 2001 | generic programming, reflective programming, event-driven programming, functional programming, structured programming, imperative programming, multi-paradigm programming, class-based programming, strict programming, object-oriented programming | dynamic typing, nominative typing | 1 |
| Visual Basic for Applications | 1993 | multi-paradigm programming | — | — |
| Visual Basic Script | 1996 | — | — | — |
| Visual FoxPro | 1984 | procedural programming, object-oriented programming | — | — |
| Visual J++ | 1996 | — | — | 1 |
| Visual Novel Maker | 2017 | — | — | — |
| Visual Prolog | — | functional programming, imperative programming, logic programming, object-oriented programming | static typing, inference typing, strong typing | — |
| Von Neumann and Goldstine graphing system | 1946 | — | — | — |
| VSXu | 2004 | visual programming language | — | — |
| Vvvv | 1998 | visual programming language | strong typing | — |
| WATFIV | 1968 | — | — | — |
| WEB | — | — | — | 1 |
| WebAssembly | 2015 | structured programming, imperative programming, stack-oriented programming | — | — |
| WebGL | 2011 | — | — | — |
| WebGPU Shading Language | — | — | — | — |
| Wenyan‑lang | 2019 | — | — | — |
| Whiley | 2010 | functional programming, imperative programming | safe typing, structural typing, strong typing | — |
| Whirlwind assembler | 1951 | — | — | — |
| Whitespace | 2003 | esoteric programming | — | — |
| Windows App Studio | — | — | — | — |
| Wiring | 2003 | object-oriented programming | — | — |
| WLanguage | 1992 | — | — | — |
| Wolfram Language | 1988 | functional programming, imperative programming, multi-paradigm programming, array programming, declarative programming, object-oriented programming | dynamic typing, strong typing | — |
| Wollok | 2015 | — | — | — |
| WordBASIC | 1989 | — | — | — |
| Work Flow Language | — | — | — | — |
| Wren | — | class-based programming | — | — |
| WxBasic | 2002 | — | — | — |
| Wyvern | 2013 | functional programming, object-oriented programming | structural typing | — |
| X++ | — | — | — | — |
| X10 | 2004 | concurrent computing, array programming, object-oriented programming | static typing, safe typing, strong typing | — |
| XACML | — | semi-structured data, declarative programming | — | — |
| XBasic | — | — | — | — |
| XBLite | — | procedural programming | dynamic typing | — |
| XC | 2005 | concurrent computing | — | — |
| XL | 2000 | functional programming, imperative programming, multi-paradigm programming | strong typing | — |
| XLNT | 1997 | — | — | — |
| XML | 1998 | — | — | 1 |
| XML User Interface Language | 1999 | — | — | — |
| XOD | 2016 | dataflow programming, declarative programming, functional reactive programming, visual programming language | — | — |
| Xojo | 1996 | object-oriented programming | — | — |
| XOTcl | 2000 | event-driven programming, functional programming, imperative programming, multi-paradigm programming, object-oriented programming | dynamic typing | — |
| XPath | 1999 | — | — | 1 |
| XPL | 1967 | procedural programming, structured programming | — | 3 |
| XPL0 | 1976 | procedural programming | — | — |
| XProc | — | declarative programming | — | — |
| XProfan | 1990 | — | — | — |
| XQuery | 2007 | functional programming, declarative programming, modular programming | dynamic typing, static typing, strong typing | — |
| XSB | — | logic programming | — | — |
| XSLT | 1999 | declarative programming | — | — |
| Xtend | 2011 | functional programming, imperative programming, object-oriented programming | static typing, inference typing, strong typing | — |
| Yawl | — | — | — | 1 |
| Yedalog | — | — | — | 1 |
| Yellow | 1977 | — | — | — |
| Yoix | 2000 | procedural programming, object-oriented programming | dynamic typing, weak typing | — |
| Yorick | 1996 | array programming | — | — |
| YS MegaBasic | — | — | — | — |
| Zebra | 1989 | — | — | — |
| Zedra | 1982 | — | — | — |
| ZetaLisp | 1980 | — | — | — |
| ZetaSQL | — | — | — | — |
| ZhPy | 2007 | multi-paradigm programming | — | — |