Short list of language names recognized by pygments.

pygments language identifiers I use or have had to look up at one time or another.

• Antlr-Ruby - antlr-ruby/antlr-rb
• awk - awk/gawk/mawk/nawk
• Bash - bash/sh/ksh for shell scripts, console for interactive session captures
• Clojure - clj/closure
• CoffeeScript - coffee-script/coffeescript
• CSS - css
• diff output - diff/ udiff
• Haml/Sass/Scss - haml, sass, scss
• HTML - html
• HTTP transcripts - http
• JavaScript - js/javascript
• JSON - json
• Lisp - cl/common-lisp
• make - make/makefile/mf, cmake, basemake, bsdmake
• nginx configuration files - ngnix
• Postscript - postscript
• Ruby - ruby for .rb files, irb for interactive console captures
• Scheme - scm/scheme
• SQL - sql, mysql, psql, postgresql-console/postgres-console, sqlite3
• TeX/LaTeX - tex, latex
• Text - text (the no-op highlighter)
• XML/XSLT/XQuery - xml, xslt, xquery
• Yaml - yaml

Also see the list of languages supported by Pygments and the list of lexers included with Pygments.