Cast can refer to:

• Cast: A UK band.
• Cast or Type cast: in computer science for data types
• Cast is put on an arm or leg.
• Casting: In art, a method for creating one or more copies of an original piece of sculptural artwork.
• Casting: In entertainment, a pre-production process for selecting a cast of actors and other talent for a live or recorded performance.
• Cast Away: A film about a FedEx employee who is stranded on a deserted island.
• CAST: a block cipher design process; the block ciphers CAST5 / CAST-128 and CAST-256.
• CAST is a sub-discipline of Computer-aided software engineering
• Caste: the term used for social division in Hindu society.
• Cast , a commune of the Finistère département, in France