may refer to:

* A masculine given name in English, often a diminutive form of Charles or Carlos * Chuck (album) (Chuck (album)), by Canadian punk band Sum 41 * Chuck (engineering), part of a machine tool such as a lathe that securely holds a removable part * Chuck (TV series) (Chuck (TV series)) * ChucK, a programming language for computer music * A common name for the BSD Daemon * Chuck FM, name of the Charleston, South Carolina, radio station WAVF * Chuck steak * Chuck Taylor All-Stars, popular canvas shoe produced by Converse Shoes, also referred to as "Chucks" * An abbreviation for nunchaku, a kind of martial arts weapon * Two Buck Chuck, popular nickname for Charles Shaw wine * Chuck Norris, American martial artist, actor and media personality * Chuck Liddell American Mixed Martial Artist, and former UFC Champion * Slang term for the act of vomiting