Compact Cassette, the worldwide standard for analog audio recording and playback, also known as audio cassette, cassette tape, or tape

Digital Compact Cassette (or DCC), a short-lived digital audio cassette format aimed at domestic users

Digital Audio Tape (or DAT), a digital audio cassette tape format, mainly used by professionals

Videocassette, a cassette containing videotape, for use in VCRs

Album (album), a Public Image Ltd album called "Cassette" on certain editions

Cassette single, a music single in the form of a Compact Cassette

Cassette (bicycle part), the rear set of cogs on a bicycle

Gene cassette, a term used to describe certain vectors that are normally used to confer a selectable marker on an organism

Cassette (New Zealand band), a band from New Zealand

In general, a small cartridge.^[1] It may refer specifically to: