- A+
- A++
- A# .NET
- A# (Axiom)
- A-0
- ABAP - Advanced Business Application Programming
- ABC
- ABC ALGOL
- ABLE
- ABSET
- ABSYS
- ACC
- Accent
- Ace DASL
- ACT-III
- Action!
- ACS - Action Code Script
- ActionScript
- Actor
- Ada - ISO/IEC 8652
- ADMINS - Automated Data Methods for Information Naming Systems [1] Diarsipkan 2007-02-26 di Wayback Machine.
| - ADS/Online
- AdvPL
- Afnix - Sebelumnya dikenal dengan nama Aleph
- AID Algebraic Interpretive Dialogue
- Aikido
- AIMMS
- AION
- Alan
- ALC Assembly Language Common, akronim IBM untuk BAL (Basic assembly language)
- Aldor
- Alef -
- Algae
- ALGO
- ALGOL - ALGOrithmic Language
- Alice
- Alphard
- AmigaE
- AMOS
- AMPL
- ApeScript
- APL - ISO 8485
- AppleScript
| - Apply -
- Arc - Sebuah dialek Lisp
- AREXX - versi Amiga dari bahasa skrip REXX
- ARS++
- Active Server Pages
- AsmL - The Abstract State Machine Language dari Microsoft
- ASA 210 C
- ASP
- AspectJ
- Assembly language
- ATLAS
- Atlas Autocode
- ATOLL - Acceptance, Test Or Launch Language
- Aubit-4GL
- Autocoder
- AutoHotkey
- AutoIt
- AutoLISP
- Averest
- AWK - Asal mula gawk, mawk, and nawk
- Axiom
- Axiom-XL
|