Slang is the use of informal words and expressions in certain social settings.
Slang may also refer to:
- Slang (album), by Def Leppard
- Slang (song), a song off the above mentioned album
- S-Lang, an array-based scripting language, and programming library
- Slang (programming language), a subset of Smalltalk dialect used by OpenSmalltalk
- S (programming language), a statistical processing language and precursor to R